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Now · 4:00 PM

Rhostrehwfa Weather & Hourly Forecast

United Kingdom · Wales · LL77 7AQ

Partly cloudy
16°C
Partly cloudy
Feels like: 11°C
💧 Humidity 69% 🌡 Pressure 1008 hPa 💨 Wind 26 km/h 👁 Visibility 11.2 km Clouds 48% ☀️ UV index 1.9 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Rhostrehwfa

Today
Light rain · 5:00 PM Light rain
15° 💧 0.7 mm 💨 26 km/h H 70%1008 hPa
Clear night · 8:00 PM Clear night
14° 💧 0.0 mm 💨 22 km/h H 77%1010 hPa
Mostly clear night · 11:00 PM Mostly clear night
13° 💧 None 💨 21 km/h H 77%1012 hPa
Tomorrow
Mostly clear night · 2:00 AM Mostly clear night
12° 💧 0.0 mm 💨 20 km/h H 81%1014 hPa
Mostly clear night · 5:00 AM Mostly clear night
12° 💧 0.1 mm 💨 19 km/h H 86%1015 hPa
Partly cloudy · 8:00 AM Partly cloudy
13° 💧 0.2 mm 💨 18 km/h H 86%1017 hPa
Partly cloudy · 11:00 AM Partly cloudy
15° 💧 0.1 mm 💨 19 km/h H 71%1018 hPa
Mostly sunny · 2:00 PM Mostly sunny
15° 💧 None 💨 15 km/h H 66%1019 hPa
Partly cloudy · 5:00 PM Partly cloudy
15° 💧 None 💨 10 km/h H 68%1019 hPa
Overcast night · 8:00 PM Overcast night
13° 💧 None 💨 8 km/h H 80%1019 hPa
Overcast night · 11:00 PM Overcast night
13° 💧 0.2 mm 💨 13 km/h H 80%1018 hPa
Thursday
Overcast night · 2:00 AM Overcast night
13° 💧 0.0 mm 💨 14 km/h H 81%1017 hPa
Overcast night · 5:00 AM Overcast night
14° 💧 0.1 mm 💨 18 km/h H 79%1015 hPa
Mostly cloudy · 8:00 AM Mostly cloudy
14° 💧 0.1 mm 💨 19 km/h H 88%1015 hPa
Overcast · 11:00 AM Overcast
15° 💧 0.2 mm 💨 26 km/h H 84%1014 hPa
Light rain · 2:00 PM Light rain
15° 💧 2.1 mm 💨 29 km/h H 87%1012 hPa

In Rhostrehwfa and, more broadly, across Isle of Anglesey: The late afternoon will see mostly sunny skies with a few clouds drifting by. Temperatures will remain cool, ranging from 13 to 16 degrees Celsius. A light amount of rain, around 1.1 mm, is possible during the evening, with the highest likelihood of rain towards the end of the period. Winds will be moderate from the northwest, reaching up to 16 mph, with gusts possibly gusting to 26 mph. It is advisable to keep an umbrella handy if heading out later in the evening, as the rain may come and go. The gusty winds could also make for a breezy night, especially in exposed areas. Overall, expect a cool and breezy end to the day with some unsettled weather in the evening.

15-Day Weather Outlook for Rhostrehwfa

TomorrowTomorrow Mostly sunny Mostly sunny 16°/12° 💧 None 💨 21 km/h
Thursday, Sep 10Thu Sep 10 Overcast Overcast 16°/13° 💧 None 💨 31 km/h
Friday, Sep 11Fri Sep 11 Light rain Light rain 16°/12° 💧 6.0 mm 💨 15 km/h
Saturday, Sep 12Sat Sep 12 Very heavy rain Very heavy rain 17°/11° 💧 20 mm 💨 38 km/h
Sunday, Sep 13Sun Sep 13 Light rain Light rain 16°/11° 💧 1.2 mm 💨 29 km/h
Monday, Sep 14Mon Sep 14 Overcast Overcast 19°/11° 💧 0.4 mm 💨 34 km/h
Tuesday, Sep 15Tue Sep 15 Moderate rain Moderate rain 17°/12° 💧 4.5 mm 💨 36 km/h
Wednesday, Sep 16Wed Sep 16 Light rain Light rain 14°/12° 💧 3.1 mm 💨 25 km/h
Thursday, Sep 17Thu Sep 17 Mostly cloudy Mostly cloudy 16°/11° 💧 0.5 mm 💨 26 km/h
Friday, Sep 18Fri Sep 18 Light rain Light rain 15°/11° 💧 1.8 mm 💨 31 km/h
Saturday, Sep 19Sat Sep 19 Mostly sunny Mostly sunny 15°/ 💧 0.2 mm 💨 18 km/h
Sunday, Sep 20Sun Sep 20 Light rain Light rain 16°/14° 💧 0.9 mm 💨 21 km/h
Monday, Sep 21Mon Sep 21 Overcast Overcast 18°/16° 💧 1.4 mm 💨 20 km/h
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 19°/15° 💧 0.1 mm 💨 18 km/h
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 16°/16° 💧 None 💨 20 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Rhostrehwfa

Vertical axis: °C · Color based on temperature
Light rain at 5:00 PM
15° Today 5:00 PM
Light rain at 6:00 PM
14° 6:00 PM
Light rain at 7:00 PM
14° 7:00 PM
Clear night at 8:00 PM
14° 8:00 PM
Clear night at 9:00 PM
14° Today 9:00 PM
Mostly clear night at 10:00 PM
13° 10:00 PM
Mostly clear night at 11:00 PM
13° 11:00 PM
Mostly clear night at 12:00 AM
13° 12:00 AM
Mostly clear night at 1:00 AM
13° Tomorrow 1:00 AM
Mostly clear night at 2:00 AM
12° 2:00 AM
Mostly clear night at 3:00 AM
12° 3:00 AM
Mostly clear night at 4:00 AM
12° 4:00 AM
Mostly clear night at 5:00 AM
12° Tomorrow 5:00 AM
Partly cloudy night at 6:00 AM
12° 6:00 AM
Partly cloudy at 7:00 AM
12° 7:00 AM
Partly cloudy at 8:00 AM
13° 8:00 AM
Light rain at 9:00 AM
13° Tomorrow 9:00 AM
Mostly cloudy at 10:00 AM
14° 10:00 AM
Partly cloudy at 11:00 AM
15° 11:00 AM
Mostly cloudy at 12:00 PM
15° 12:00 PM
Mostly sunny at 1:00 PM
15° Tomorrow 1:00 PM
Mostly sunny at 2:00 PM
15° 2:00 PM
Mostly sunny at 3:00 PM
16° 3:00 PM
Mostly sunny at 4:00 PM
15° 4:00 PM
Partly cloudy at 5:00 PM
15° Tomorrow 5:00 PM
Partly cloudy at 6:00 PM
14° 6:00 PM
Overcast at 7:00 PM
14° 7:00 PM
Overcast night at 8:00 PM
13° 8:00 PM
Overcast night at 9:00 PM
13° Tomorrow 9:00 PM
Overcast night at 10:00 PM
13° 10:00 PM
Overcast night at 11:00 PM
13° 11:00 PM
Light rain at 12:00 AM
13° 12:00 AM
Overcast night at 1:00 AM
14° Thursday 1:00 AM
Overcast night at 2:00 AM
13° 2:00 AM
Overcast night at 3:00 AM
14° 3:00 AM
Overcast night at 4:00 AM
14° 4:00 AM
Overcast night at 5:00 AM
14° Thursday 5:00 AM
Overcast night at 6:00 AM
13° 6:00 AM
Overcast at 7:00 AM
14° 7:00 AM
Mostly cloudy at 8:00 AM
14° 8:00 AM
Mostly cloudy at 9:00 AM
15° Thursday 9:00 AM
Mostly cloudy at 10:00 AM
16° 10:00 AM
Overcast at 11:00 AM
15° 11:00 AM
Mostly cloudy at 12:00 PM
15° 12:00 PM
Overcast at 1:00 PM
16° Thursday 1:00 PM
Light rain at 2:00 PM
15° 2:00 PM
Light rain at 3:00 PM
16° 3:00 PM
Light rain at 4:00 PM
16° 4:00 PM
Light rain at 5:00 PM
16° Thursday 5:00 PM
Light rain at 6:00 PM
15° 6:00 PM
Light rain at 7:00 PM
15° 7:00 PM
Light rain at 8:00 PM
16° 8:00 PM
Light rain at 9:00 PM
16° Thursday 9:00 PM
Mostly cloudy night at 10:00 PM
16° 10:00 PM
Partly cloudy night at 11:00 PM
16° 11:00 PM
Partly cloudy night at 12:00 AM
15° 12:00 AM
Partly cloudy night at 1:00 AM
14° Friday 1:00 AM
Light rain at 10:00 AM
15° 10:00 AM
Mostly sunny at 1:00 PM
16° 1:00 PM
Mostly sunny at 4:00 PM
16° 4:00 PM
Sunny at 7:00 PM
14° Friday 7:00 PM
Partly cloudy night at 10:00 PM
12° 10:00 PM
Overcast night at 1:00 AM
11° 1:00 AM
Mostly clear night at 4:00 AM
12° 4:00 AM
Partly cloudy at 7:00 AM
14° Saturday 7:00 AM
Partly cloudy at 10:00 AM
16° 10:00 AM
Overcast at 1:00 PM
17° 1:00 PM
Very heavy rain at 4:00 PM
16° 4:00 PM
Moderate rain at 7:00 PM
16° Saturday 7:00 PM
Overcast night at 10:00 PM
16° 10:00 PM
Overcast night at 1:00 AM
16° 1:00 AM
Light rain at 4:00 AM
15° 4:00 AM
Overcast at 7:00 AM
14° Sunday 7:00 AM
Overcast at 10:00 AM
15° 10:00 AM
Overcast at 1:00 PM
16° 1:00 PM
Mostly cloudy at 4:00 PM
16° 4:00 PM
Sunny at 7:00 PM
14° Sunday 7:00 PM
Mostly clear night at 10:00 PM
11° 10:00 PM
Partly cloudy night at 1:00 AM
11° 1:00 AM
Clear night at 4:00 AM
11° 4:00 AM
Partly cloudy at 7:00 AM
12° Monday 7:00 AM
Overcast at 1:00 PM
15° 1:00 PM
Partly cloudy at 7:00 PM
19° 7:00 PM
Overcast night at 1:00 AM
17° 1:00 AM
Moderate rain at 7:00 AM
16° Tuesday 7:00 AM
Partly cloudy at 1:00 PM
12° 1:00 PM
Mostly sunny at 7:00 PM
15° 7:00 PM
Light rain at 1:00 AM
14° 1:00 AM
Mostly sunny at 7:00 AM
12° Wednesday 7:00 AM
Partly cloudy at 1:00 PM
12° 1:00 PM
Mostly cloudy at 7:00 PM
14° 7:00 PM
Overcast night at 1:00 AM
14° 1:00 AM
Mostly cloudy at 7:00 AM
12° Thursday 7:00 AM
Mostly cloudy at 1:00 PM
11° 1:00 PM
Partly cloudy at 7:00 PM
16° 7:00 PM
Mostly cloudy night at 1:00 AM
15° 1:00 AM
Overcast at 7:00 AM
14° Friday 7:00 AM
Sunny at 1:00 PM
11° 1:00 PM
Light rain at 7:00 PM
15° 7:00 PM
Mostly clear night at 1:00 AM
14° 1:00 AM
Partly cloudy at 7:00 AM
11° Saturday 7:00 AM
Partly cloudy at 1:00 PM
1:00 PM
Overcast at 7:00 PM
15° 7:00 PM
Mostly cloudy night at 1:00 AM
14° 1:00 AM
Overcast at 7:00 AM
14° Sunday 7:00 AM
Overcast at 1:00 PM
14° 1:00 PM
Light rain at 7:00 PM
16° 7:00 PM
Overcast night at 1:00 AM
17° 1:00 AM
Overcast at 7:00 AM
16° Monday 7:00 AM
Overcast at 1:00 PM
16° 1:00 PM
Partly cloudy at 7:00 PM
18° 7:00 PM
Partly cloudy night at 1:00 AM
17° 1:00 AM
Overcast night at 7:00 AM
16° Tuesday 7:00 AM
Overcast at 1:00 PM
15° 1:00 PM
Sunny at 7:00 PM
19° 7:00 PM
Mostly clear night at 1:00 AM
16° 1:00 AM
Overcast night at 7:00 AM
16° Wednesday 7:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Rhostrehwfa

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 5:00 PM
PM2.5 Fine particles Good 0,7µg/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 1,3µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 82,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,3µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Rhostrehwfa

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 3,2Moderate 🙂Fair
Tomorrow UV 3,3Moderate 🙂Fair
Thursday UV 3,7Moderate 🙂Fair
Friday UV 3,5Moderate 🙂Fair
Saturday UV 4,0Moderate 🙂Fair
Sunday UV 5,0Moderate Unavailable
Monday UV 5,0Moderate Unavailable
Hourly UV index today
5:00 PMUV 1,1 6:00 PMUV 0,5 7:00 PMUV 0,1
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for 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 Rhostrehwfa

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 5:00 PM 6:00 PM 7:00 PM 8:00 PM Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Thursday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Thursday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Thursday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Thursday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Thursday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Thursday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Friday 1:00 AM 10:00 AM 1:00 PM 4:00 PM Friday 7:00 PM 10:00 PM 1:00 AM 4:00 AM Saturday 7:00 AM 10:00 AM 1:00 PM 4:00 PM Saturday 7:00 PM 10:00 PM 1:00 AM 4:00 AM Sunday 7:00 AM 10:00 AM 1:00 PM 4:00 PM Sunday 7:00 PM 10:00 PM 1:00 AM 4:00 AM Monday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Tuesday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Wednesday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Thursday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Friday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Saturday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Sunday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Monday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Tuesday 7:00 AM 1:00 PM 7:00 PM 1:00 AM Wednesday 7:00 AM
Sustained wind Max gusts
NIGHT SKY · RHOSTREHWFA, WALES

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

83/100Best-hour score
BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 9:57 PM–4:35 AM
Cloud cover 24% Real hourly forecast for the best viewing hour.
Moonlight 8% Waning Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 63° high at the best hour.
Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min71%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
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

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.

Forecast data for Rhostrehwfa were last refreshed today at 4:00 PM. The current forecast period extends through 10/09/2026 at 2:00 PM. 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.