Feels like12°CWind direction southGusts —Humidity 88%Cloud cover 98%Pressure 1015 hPa
Sunday
Overcast night
13°💧 None💨 16 km/hH 99%1013 hPa
Feels like11°CWind direction southGusts —Humidity 99%Cloud cover 100%Pressure 1013 hPa
Very heavy rain
13°💧 None💨 17 km/hH 100%1011 hPa
Feels like11°CWind direction southGusts —Humidity 100%Cloud cover 100%Pressure 1011 hPa
Partly cloudy
17°💧 None💨 13 km/hH 73%1015 hPa
Feels like15°CWind direction southwestGusts —Humidity 73%Cloud cover 42%Pressure 1015 hPa
Overcast
14°💧 None💨 11 km/hH 89%1016 hPa
Feels like13°CWind direction westGusts —Humidity 89%Cloud cover 100%Pressure 1016 hPa
Monday
Overcast night
12°💧 None💨 8 km/hH 92%1018 hPa
Feels like10°CWind direction northwestGusts —Humidity 92%Cloud cover 100%Pressure 1018 hPa
Overcast night
9°💧 None💨 6 km/hH 92%1019 hPa
Feels like8°CWind direction northwestGusts —Humidity 92%Cloud cover 98%Pressure 1019 hPa
Mostly sunny
15°💧 None💨 11 km/hH 60%1021 hPa
Feels like13°CWind direction westGusts —Humidity 60%Cloud cover 17%Pressure 1021 hPa
Mostly cloudy night
11°💧 None💨 5 km/hH 78%1023 hPa
Feels like10°CWind direction northwestGusts —Humidity 78%Cloud cover 95%Pressure 1023 hPa
Tuesday
Overcast night
9°💧 None💨 6 km/hH 83%1024 hPa
Feels like7°CWind direction eastGusts —Humidity 83%Cloud cover 98%Pressure 1024 hPa
Overcast night
9°💧 None💨 15 km/hH 85%1022 hPa
Feels like5°CWind direction eastGusts —Humidity 85%Cloud cover 99%Pressure 1022 hPa
Overcast
17°💧 None💨 18 km/hH 86%1019 hPa
Feels like15°CWind direction southeastGusts —Humidity 86%Cloud cover 100%Pressure 1019 hPa
Mostly cloudy night
17°💧 None💨 17 km/hH 89%1016 hPa
Feels like15°CWind direction southeastGusts —Humidity 89%Cloud cover 92%Pressure 1016 hPa
Wednesday
Mostly cloudy night
16°💧 None💨 11 km/hH 91%1016 hPa
Feels like15°CWind direction southeastGusts —Humidity 91%Cloud cover 92%Pressure 1016 hPa
Overcast night
14°💧 None💨 8 km/hH 100%1016 hPa
Feels like14°CWind direction southGusts —Humidity 100%Cloud cover 95%Pressure 1016 hPa
Mostly cloudy
19°💧 None💨 12 km/hH 89%1017 hPa
Feels like19°CWind direction southGusts —Humidity 89%Cloud cover 83%Pressure 1017 hPa
Partly cloudy night
18°💧 None💨 9 km/hH 92%1017 hPa
Feels like18°CWind direction southGusts —Humidity 92%Cloud cover 69%Pressure 1017 hPa
Thursday
Light rain
15°💧 None💨 5 km/hH 96%1019 hPa
Feels like15°CWind direction southwestGusts —Humidity 96%Cloud cover 100%Pressure 1019 hPa
Overcast night
15°💧 None💨 4 km/hH 92%1018 hPa
Feels like15°CWind direction northeastGusts —Humidity 92%Cloud cover 100%Pressure 1018 hPa
Mostly cloudy
20°💧 None💨 11 km/hH 79%1017 hPa
Feels like20°CWind direction eastGusts —Humidity 79%Cloud cover 88%Pressure 1017 hPa
Partly cloudy night
19°💧 None💨 9 km/hH 72%1015 hPa
Feels like19°CWind direction southeastGusts —Humidity 72%Cloud cover 58%Pressure 1015 hPa
Friday
Overcast night
16°💧 None💨 6 km/hH 83%1016 hPa
Feels like16°CWind direction southeastGusts —Humidity 83%Cloud cover 100%Pressure 1016 hPa
Overcast night
15°💧 None💨 3 km/hH 82%1016 hPa
Feels like14°CWind direction northGusts —Humidity 82%Cloud cover 98%Pressure 1016 hPa
Overcast
19°💧 None💨 9 km/hH 72%1016 hPa
Feels like19°CWind direction eastGusts —Humidity 72%Cloud cover 100%Pressure 1016 hPa
Overcast night
19°💧 None💨 11 km/hH 73%1014 hPa
Feels like18°CWind direction eastGusts —Humidity 73%Cloud cover 100%Pressure 1014 hPa
Saturday
Partly cloudy night
15°💧 None💨 14 km/hH 89%1015 hPa
Feels like14°CWind direction eastGusts —Humidity 89%Cloud cover 48%Pressure 1015 hPa
Partly cloudy night
13°💧 None💨 12 km/hH 94%1013 hPa
Feels like11°CWind direction eastGusts —Humidity 94%Cloud cover 70%Pressure 1013 hPa
Mostly sunny
18°💧 None💨 14 km/hH 80%1013 hPa
Feels like17°CWind direction northeastGusts —Humidity 80%Cloud cover 32%Pressure 1013 hPa
Mostly clear night
18°💧 None💨 15 km/hH 68%1012 hPa
Feels like15°CWind direction southeastGusts —Humidity 68%Cloud cover 32%Pressure 1012 hPa
Sunday
Mostly cloudy night
13°💧 None💨 15 km/hH 78%1014 hPa
Feels like10°CWind direction eastGusts —Humidity 78%Cloud cover 77%Pressure 1014 hPa
Clear night
11°💧 None💨 17 km/hH 77%1015 hPa
Feels like8°CWind direction eastGusts —Humidity 77%Cloud cover 3%Pressure 1015 hPa
Sunny
17°💧 None💨 19 km/hH 58%1017 hPa
Feels like13°CWind direction eastGusts —Humidity 58%Cloud cover 0%Pressure 1017 hPa
Clear night
14°💧 None💨 8 km/hH 70%1019 hPa
Feels like12°CWind direction eastGusts —Humidity 70%Cloud cover 0%Pressure 1019 hPa
Monday
Clear night
11°💧 None💨 13 km/hH 86%1023 hPa
Feels like8°CWind direction eastGusts —Humidity 86%Cloud cover 0%Pressure 1023 hPa
Overcast night
10°💧 None💨 13 km/hH 99%1024 hPa
Feels like7°CWind direction eastGusts —Humidity 99%Cloud cover 100%Pressure 1024 hPa
Partly cloudy
16°💧 None💨 21 km/hH 63%1024 hPa
Feels like11°CWind direction southeastGusts —Humidity 63%Cloud cover 71%Pressure 1024 hPa
In Deri and, more broadly, across Caerphilly:
This evening, the sky will be a mix of sun and clouds, with temperatures remaining mild, ranging from 11 to 20 degrees Celsius. Winds will be light, coming from the west at around 6 mph, with gusts reaching up to 14 mph. No precipitation is expected during the night, so conditions will be relatively dry. The gentle breeze and partly clear skies should make for a pleasant evening. Temperatures are likely to stay steady through the next few hours, providing a comfortable end to the day.
15-Day Weather Outlook for Deri
Tuesday, Sep 22Tue Sep 22Overcast17°/13°💧 None💨 8 km/h
Daytime temperature 16°CFeels like 16°CHumidity 93%Pressure 1030 hPaCloud cover 83%Wind direction southeastGusts 16 km/hSunrise —Sunset —
Wednesday, Sep 23Wed Sep 23Mostly sunny17°/10°💧 0.8 mm💨 17 km/h
Daytime temperature 16°CFeels like 16°CHumidity 86%Pressure 1025 hPaCloud cover 69%Wind direction westGusts 38 km/hSunrise —Sunset —
Thursday, Sep 24Thu Sep 24Mostly cloudy14°/7°💧 None💨 14 km/h
Daytime temperature 14°CFeels like 11°CHumidity 82%Pressure 1025 hPaCloud cover 72%Wind direction southeastGusts 31 km/hSunrise —Sunset —
Friday, Sep 25Fri Sep 25Moderate rain16°/10°💧 1.6 mm💨 16 km/h
Daytime temperature 16°CFeels like 14°CHumidity 90%Pressure 1020 hPaCloud cover 93%Wind direction northwestGusts 32 km/hSunrise —Sunset —
Saturday, Sep 26Sat Sep 26Overcast14°/10°💧 None💨 14 km/h
Daytime temperature 14°CFeels like 13°CHumidity 86%Pressure 1019 hPaCloud cover 99%Wind direction southeastGusts 20 km/hSunrise —Sunset —
Sunday, Sep 27Sun Sep 27Very heavy rain17°/13°💧 9.9 mm💨 17 km/h
Daytime temperature 17°CFeels like 15°CHumidity 90%Pressure 1014 hPaCloud cover 86%Wind direction southwestGusts —Sunrise —Sunset —
Monday, Sep 28Mon Sep 28Overcast15°/9°💧 0.0 mm💨 11 km/h
Daytime temperature 15°CFeels like 13°CHumidity 80%Pressure 1020 hPaCloud cover 78%Wind direction westGusts —Sunrise —Sunset —
Tuesday, Sep 29Tue Sep 29Overcast17°/9°💧 0.0 mm💨 18 km/h
Daytime temperature 17°CFeels like 15°CHumidity 86%Pressure 1020 hPaCloud cover 97%Wind direction southeastGusts —Sunrise —Sunset —
Wednesday, Sep 30Wed Sep 30Partly cloudy19°/14°💧 0.0 mm💨 12 km/h
Daytime temperature 19°CFeels like 19°CHumidity 93%Pressure 1016 hPaCloud cover 85%Wind direction southGusts —Sunrise —Sunset —
Thursday, Oct 1Thu Oct 1Light rain20°/15°💧 5.7 mm💨 11 km/h
Daytime temperature 20°CFeels like 20°CHumidity 85%Pressure 1017 hPaCloud cover 86%Wind direction eastGusts —Sunrise —Sunset —
Friday, Oct 2Fri Oct 2Overcast19°/15°💧 None💨 11 km/h
Daytime temperature 19°CFeels like 19°CHumidity 78%Pressure 1016 hPaCloud cover 100%Wind direction eastGusts —Sunrise —Sunset —
Saturday, Oct 3Sat Oct 3Partly cloudy18°/13°💧 1.7 mm💨 15 km/h
Daytime temperature 18°CFeels like 17°CHumidity 83%Pressure 1013 hPaCloud cover 46%Wind direction northeastGusts —Sunrise —Sunset —
Sunday, Oct 4Sun Oct 4Mostly cloudy17°/11°💧 0.0 mm💨 19 km/h
Daytime temperature 17°CFeels like 13°CHumidity 71%Pressure 1016 hPaCloud cover 20%Wind direction eastGusts —Sunrise —Sunset —
Monday, Oct 5Mon Oct 5Overcast16°/10°💧 0.1 mm💨 21 km/h
Daytime temperature 16°CFeels like 11°CHumidity 83%Pressure 1024 hPaCloud cover 57%Wind direction southeastGusts —Sunrise —Sunset —
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
✓Air quality is favorable for outdoor activities.
❤
UV & HEALTH
UV, Sun & Health Outlook in Deri
Maximum daily UVToday, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low3–5 Moderate6–7 High8–10 Very high11+ Extreme
DayMaximum UVAir quality
TodayUV 3,2Moderate—Unavailable
TomorrowUV 4,0Moderate😊Good
TuesdayUV 3,8Moderate🙂Fair
WednesdayUV 3,1Moderate🙂Fair
ThursdayUV 3,4Moderate🙂Fair
FridayUV 5,0Moderate—Unavailable
SaturdayUV 4,0Moderate—Unavailable
🩺
Today's weather health advice
Open today's recommendations.
⌄
☀️
Moderate UV risk
Sunglasses and sun protection are recommended for prolonged exposure.
🌬️
Good air quality
Air quality is good and outdoor activities can be enjoyed normally.
💧
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 Deri
Vertical axis: km/h · Horizontal axis: hours
km/h
Sustained windMax gusts
NIGHT SKY · DERI, WALES
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 12:00 AM–1:00 AM.
82/100Best-hour score
BEST TIME TONIGHT12:00 AM–1:00 AM
Astronomical darkness: 9:11 PM–5:03 AM
☁Cloud cover23%
Real hourly forecast for the best viewing hour.
☾Moonlight68%
First Quarter · Moon about 2° above the horizon at the best viewing hour.
☄Meteor activitySeptember ε-Perseids
Reference ZHR 8 · Radiant 44° high at the best hour.
✦Estimated visible meteors0–2/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min45%
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
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
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 NEARBYWeather in other cities⌄
Explore current conditions and forecasts for other locations.
Forecast data for Deri were last refreshed today at 11:36 PM. The current forecast period extends through 22/09/2026 at 9:00 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.