Overcast
Feels like 11°C
Wind direction north
Gusts 20 km/h
Humidity 90%
Cloud cover 100%
Pressure 1019 hPa
Now · 8:32 AM
Rhostryfan Weather & Hourly Forecast
United Kingdom · Wales · LL54 7AZ
12°C
Overcast
Feels like: 11°C
💧 Humidity 90%
🌡 Pressure 1019 hPa
💨 Wind 7 km/h
👁 Visibility 12.8 km
☁ Clouds 100%
☀️ UV index 0.2 · Low
🌅 Sunrise 7:06 AM
🌇 Sunset 7:10 PM
Hourly Forecast for Rhostryfan
Today
Overcast
Overcast
Feels like 12°C
Wind direction south
Gusts 9 km/h
Humidity 76%
Cloud cover 100%
Pressure 1020 hPa
Light rain
Feels like 10°C
Wind direction southwest
Gusts 20 km/h
Humidity 86%
Cloud cover 100%
Pressure 1020 hPa
Overcast
Feels like 10°C
Wind direction southwest
Gusts 23 km/h
Humidity 91%
Cloud cover 100%
Pressure 1020 hPa
Mostly clear night
Feels like 9°C
Wind direction southwest
Gusts 24 km/h
Humidity 92%
Cloud cover 23%
Pressure 1020 hPa
Tomorrow
Clear night
Feels like 9°C
Wind direction southwest
Gusts 26 km/h
Humidity 92%
Cloud cover 10%
Pressure 1020 hPa
Clear night
Feels like 8°C
Wind direction southwest
Gusts 27 km/h
Humidity 95%
Cloud cover 2%
Pressure 1020 hPa
Mostly clear night
Feels like 8°C
Wind direction southwest
Gusts 30 km/h
Humidity 93%
Cloud cover 16%
Pressure 1020 hPa
Light rain
Feels like 10°C
Wind direction southwest
Gusts 36 km/h
Humidity 93%
Cloud cover 53%
Pressure 1021 hPa
Partly cloudy
Feels like 11°C
Wind direction southwest
Gusts 45 km/h
Humidity 83%
Cloud cover 51%
Pressure 1021 hPa
Light rain
Feels like 11°C
Wind direction southwest
Gusts 49 km/h
Humidity 82%
Cloud cover 27%
Pressure 1021 hPa
Light rain
Feels like 10°C
Wind direction south
Gusts 44 km/h
Humidity 88%
Cloud cover 21%
Pressure 1020 hPa
Partly cloudy night
Feels like 10°C
Wind direction south
Gusts 36 km/h
Humidity 88%
Cloud cover 38%
Pressure 1020 hPa
Sunday
Mostly cloudy night
Feels like 9°C
Wind direction south
Gusts 34 km/h
Humidity 92%
Cloud cover 89%
Pressure 1018 hPa
Overcast night
Feels like 8°C
Wind direction south
Gusts 36 km/h
Humidity 91%
Cloud cover 100%
Pressure 1016 hPa
Overcast night
Feels like 8°C
Wind direction southeast
Gusts 38 km/h
Humidity 84%
Cloud cover 98%
Pressure 1012 hPa
Today
Overcast
Feels like 11°C
Wind direction northGusts 20 km/h
Humidity 90%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 11°C
Wind direction northeastGusts 15 km/h
Humidity 86%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 11°C
Wind direction eastGusts 11 km/h
Humidity 84%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 12°C
Wind direction southGusts 9 km/h
Humidity 76%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 11°C
Wind direction southwestGusts 13 km/h
Humidity 79%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 11°C
Wind direction southwestGusts 18 km/h
Humidity 81%Cloud cover 100%Pressure 1020 hPa
Light rain
Feels like 10°C
Wind direction southwestGusts 20 km/h
Humidity 86%Cloud cover 100%Pressure 1020 hPa
Light rain
Feels like 10°C
Wind direction southwestGusts 23 km/h
Humidity 89%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 10°C
Wind direction southwestGusts 22 km/h
Humidity 91%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 10°C
Wind direction southwestGusts 23 km/h
Humidity 91%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 10°C
Wind direction southwestGusts 23 km/h
Humidity 91%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 9°C
Wind direction southwestGusts 23 km/h
Humidity 92%Cloud cover 97%Pressure 1020 hPa
Mostly clear night
Feels like 9°C
Wind direction southwestGusts 24 km/h
Humidity 92%Cloud cover 23%Pressure 1020 hPa
Partly cloudy night
Feels like 9°C
Wind direction southwestGusts 25 km/h
Humidity 93%Cloud cover 41%Pressure 1020 hPa
Mostly clear night
Feels like 8°C
Wind direction southwestGusts 26 km/h
Humidity 92%Cloud cover 30%Pressure 1021 hPa
Tomorrow
Clear night
Feels like 9°C
Wind direction southwestGusts 26 km/h
Humidity 92%Cloud cover 10%Pressure 1020 hPa
Clear night
Feels like 9°C
Wind direction southwestGusts 25 km/h
Humidity 94%Cloud cover 7%Pressure 1020 hPa
Clear night
Feels like 9°C
Wind direction southwestGusts 27 km/h
Humidity 95%Cloud cover 8%Pressure 1020 hPa
Clear night
Feels like 8°C
Wind direction southwestGusts 27 km/h
Humidity 95%Cloud cover 2%Pressure 1020 hPa
Clear night
Feels like 8°C
Wind direction southwestGusts 28 km/h
Humidity 94%Cloud cover 2%Pressure 1020 hPa
Clear night
Feels like 8°C
Wind direction southwestGusts 29 km/h
Humidity 94%Cloud cover 6%Pressure 1020 hPa
Mostly clear night
Feels like 8°C
Wind direction southwestGusts 30 km/h
Humidity 93%Cloud cover 16%Pressure 1020 hPa
Mostly clear night
Feels like 8°C
Wind direction southwestGusts 31 km/h
Humidity 92%Cloud cover 16%Pressure 1020 hPa
Light rain
Feels like 8°C
Wind direction southwestGusts 32 km/h
Humidity 92%Cloud cover 26%Pressure 1021 hPa
Light rain
Feels like 10°C
Wind direction southwestGusts 36 km/h
Humidity 93%Cloud cover 53%Pressure 1021 hPa
Partly cloudy
Feels like 11°C
Wind direction southwestGusts 41 km/h
Humidity 90%Cloud cover 46%Pressure 1021 hPa
Partly cloudy
Feels like 11°C
Wind direction southwestGusts 43 km/h
Humidity 86%Cloud cover 51%Pressure 1021 hPa
Partly cloudy
Feels like 11°C
Wind direction southwestGusts 45 km/h
Humidity 83%Cloud cover 51%Pressure 1021 hPa
Partly cloudy
Feels like 12°C
Wind direction southwestGusts 45 km/h
Humidity 81%Cloud cover 38%Pressure 1021 hPa
Light rain
Feels like 12°C
Wind direction southwestGusts 47 km/h
Humidity 81%Cloud cover 27%Pressure 1021 hPa
Light rain
Feels like 11°C
Wind direction southwestGusts 49 km/h
Humidity 82%Cloud cover 27%Pressure 1021 hPa
Light rain
Feels like 11°C
Wind direction southwestGusts 48 km/h
Humidity 83%Cloud cover 24%Pressure 1021 hPa
Light rain
Feels like 11°C
Wind direction southwestGusts 46 km/h
Humidity 85%Cloud cover 30%Pressure 1020 hPa
Light rain
Feels like 10°C
Wind direction southGusts 44 km/h
Humidity 88%Cloud cover 21%Pressure 1020 hPa
Mostly sunny
Feels like 10°C
Wind direction southGusts 40 km/h
Humidity 89%Cloud cover 22%Pressure 1020 hPa
Mostly clear night
Feels like 10°C
Wind direction southGusts 37 km/h
Humidity 89%Cloud cover 27%Pressure 1020 hPa
Partly cloudy night
Feels like 10°C
Wind direction southGusts 36 km/h
Humidity 88%Cloud cover 38%Pressure 1020 hPa
Partly cloudy night
Feels like 10°C
Wind direction southGusts 35 km/h
Humidity 87%Cloud cover 45%Pressure 1019 hPa
Partly cloudy night
Feels like 9°C
Wind direction southGusts 33 km/h
Humidity 90%Cloud cover 42%Pressure 1019 hPa
Sunday
Mostly cloudy night
Feels like 9°C
Wind direction southGusts 34 km/h
Humidity 92%Cloud cover 89%Pressure 1018 hPa
Overcast night
Feels like 9°C
Wind direction southGusts 34 km/h
Humidity 93%Cloud cover 100%Pressure 1018 hPa
Overcast night
Feels like 9°C
Wind direction southGusts 36 km/h
Humidity 91%Cloud cover 100%Pressure 1017 hPa
Overcast night
Feels like 8°C
Wind direction southGusts 36 km/h
Humidity 91%Cloud cover 100%Pressure 1016 hPa
Overcast night
Feels like 8°C
Wind direction southGusts 35 km/h
Humidity 91%Cloud cover 100%Pressure 1015 hPa
Overcast night
Feels like 8°C
Wind direction southeastGusts 34 km/h
Humidity 90%Cloud cover 100%Pressure 1013 hPa
Overcast night
Feels like 8°C
Wind direction southeastGusts 38 km/h
Humidity 84%Cloud cover 98%Pressure 1012 hPa
Overcast night
Feels like 7°C
Wind direction southeastGusts 45 km/h
Humidity 74%Cloud cover 100%Pressure 1011 hPa
Mostly cloudy
Feels like 7°C
Wind direction southeastGusts 45 km/h
Humidity 74%Cloud cover 91%Pressure 1011 hPa
Light rain
Feels like 7°C
Wind direction southeastGusts 45 km/h
Humidity 77%Cloud cover 88%Pressure 1010 hPa
Light rain
Feels like 7°C
Wind direction southGusts 56 km/h
Humidity 77%Cloud cover 88%Pressure 1009 hPa
Light rain
Feels like 8°C
Wind direction southGusts 68 km/h
Humidity 78%Cloud cover 100%Pressure 1007 hPa
Light rain
Feels like 9°C
Wind direction southGusts 69 km/h
Humidity 86%Cloud cover 100%Pressure 1007 hPa
Light rain
Feels like 9°C
Wind direction southGusts 76 km/h
Humidity 92%Cloud cover 100%Pressure 1006 hPa
Light rain
Feels like 9°C
Wind direction southGusts 73 km/h
Humidity 96%Cloud cover 100%Pressure 1006 hPa
Light rain
Feels like 10°C
Wind direction southGusts 71 km/h
Humidity 96%Cloud cover 99%Pressure 1006 hPa
Light rain
Feels like 11°C
Wind direction southwestGusts 69 km/h
Humidity 95%Cloud cover 46%Pressure 1007 hPa
Mostly sunny
Feels like 13°C
Wind direction southwestGusts 50 km/h
Humidity 90%Cloud cover 33%Pressure 1007 hPa
Light rain
Feels like 11°C
Wind direction westGusts 37 km/h
Humidity 89%Cloud cover 58%Pressure 1008 hPa
Light rain
Feels like 10°C
Wind direction westGusts 33 km/h
Humidity 92%Cloud cover 64%Pressure 1010 hPa
Partly cloudy night
Feels like 10°C
Wind direction northwestGusts 28 km/h
Humidity 91%Cloud cover 52%Pressure 1011 hPa
Partly cloudy night
Feels like 9°C
Wind direction westGusts 22 km/h
Humidity 90%Cloud cover 46%Pressure 1011 hPa
Mostly cloudy night
Feels like 9°C
Wind direction westGusts 20 km/h
Humidity 88%Cloud cover 70%Pressure 1012 hPa
Mostly cloudy night
Feels like 8°C
Wind direction westGusts 20 km/h
Humidity 87%Cloud cover 70%Pressure 1013 hPa
Monday
Mostly cloudy night
Feels like 8°C
Wind direction westGusts 19 km/h
Humidity 88%Cloud cover 78%Pressure 1013 hPa
Mostly cloudy night
Feels like 8°C
Wind direction westGusts 17 km/h
Humidity 88%Cloud cover 72%Pressure 1014 hPa
In Rhostryfan and, more broadly, across Gwynedd: The rest of the day is expected to be mostly cloudy, with temperatures remaining mild, ranging from 16 to 18 degrees Celsius. Light southwest winds are forecast, reaching up to 8 mph with occasional gusts of 14 mph. No significant rainfall is anticipated, so the weather should remain dry throughout the afternoon. Conditions will be relatively calm, making it a fairly mild and overcast day overall.
15-Day Weather Outlook for Rhostryfan
TomorrowTomorrow
Mostly sunny
15°/11°
💧 None
💨 24 km/h
Mostly sunny
15°/11°
💧 None
💨 24 km/h
Daytime temperature 15°C
Feels like 11°C
Humidity 89%
Pressure 1020 hPa
Cloud cover 26%
Wind direction southwest
Gusts 49 km/h
Sunrise —
Sunset —
Sunday, Sep 27Sun Sep 27
Mostly cloudy
15°/10°
💧 None
💨 37 km/h
Mostly cloudy
15°/10°
💧 None
💨 37 km/h
Daytime temperature 14°C
Feels like 9°C
Humidity 88%
Pressure 1011 hPa
Cloud cover 83%
Wind direction south
Gusts 76 km/h
Sunrise —
Sunset —
Monday, Sep 28Mon Sep 28
Mostly cloudy
10°/10°
💧 None
💨 8 km/h
Mostly cloudy
10°/10°
💧 None
💨 8 km/h
Daytime temperature 10°C
Feels like 8°C
Humidity 88%
Pressure 1014 hPa
Cloud cover 75%
Wind direction west
Gusts 19 km/h
Sunrise —
Sunset —
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Rhostryfan
AIR QUALITY FORECAST
Air Quality Forecast for Rhostryfan
Fair
Nearest forecast value
9:00 AM
PM2.5 Fine particles Good 2,0µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 3,0µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 82,4µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 1,3µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 0,6µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 1,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 92,5µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,6µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 0,8µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 2,2µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 98,3µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,9µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 0,6µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 0,8µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 78,3µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 1,0µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 2,7µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 3,6µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 61,9µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 5,8µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
UV & HEALTH
UV, Sun & Health Outlook in Rhostryfan
Maximum daily UV
Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low
3–5 Moderate
6–7 High
8–10 Very high
11+ Extreme
Today
UV 1,1Low
🙂Fair
Tomorrow
UV 2,8Low
🙂Fair
Sunday
UV 1,6Low
🙂Fair
Hourly UV index today
9:00 AMUV 0,2
10:00 AMUV 0,4
11:00 AMUV 0,5
12:00 PMUV 1,1
1:00 PMUV 0,8
2:00 PMUV 0,8
3:00 PMUV 0,4
4:00 PMUV 0,4
5:00 PMUV 0,4
6:00 PMUV 0,3
7:00 PMUV 0,1
Today's weather health advice
Open today's recommendations.
Low UV risk
UV radiation will be low, although basic protection is still advisable during prolonged exposure.
Acceptable air quality
Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.
Comfortable temperature conditions
Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.
Good conditions for outdoor activities
Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.
WIND OUTLOOK
Hourly Wind Forecast for Rhostryfan
Sustained wind
Max gusts
NIGHT SKY · RHOSTRYFAN, WALES
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.
88/100Best-hour score
BEST TIME TONIGHT
4:00 AM–5:00 AM
Astronomical darkness: 9:06 PM–5:12 AM
Cloud cover
2%
Real hourly forecast for the best viewing hour.
Moonlight
100%
Full Moon · Moon about 22° above the horizon at the best viewing hour.
Meteor activity
Southern Taurids
Reference ZHR 7 · Radiant 52° high at the best hour.
Estimated visible meteors
0–2/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min37%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING
Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.
DISCOVER WEATHER NEARBY Weather in other cities
Explore current conditions and forecasts for other locations.
Forecast data for Rhostryfan were last refreshed today at 8:32 AM. The current forecast period extends through 27/09/2026 at 6:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.