Feels like13°CWind direction southwestGusts —Humidity 97%Cloud cover 100%Pressure 1019 hPa
Moderate rain
16°💧 None💨 18 km/hH 97%1018 hPa
Feels like14°CWind direction southGusts —Humidity 97%Cloud cover 100%Pressure 1018 hPa
Light rain
17°💧 None💨 24 km/hH 99%1015 hPa
Feels like15°CWind direction southwestGusts —Humidity 99%Cloud cover 100%Pressure 1015 hPa
Tuesday
Moderate rain
16°💧 None💨 21 km/hH 100%1013 hPa
Feels like13°CWind direction southwestGusts —Humidity 100%Cloud cover 100%Pressure 1013 hPa
Mostly sunny
12°💧 None💨 16 km/hH 98%1012 hPa
Feels like9°CWind direction northwestGusts —Humidity 98%Cloud cover 23%Pressure 1012 hPa
Mostly sunny
14°💧 None💨 24 km/hH 70%1014 hPa
Feels like9°CWind direction westGusts —Humidity 70%Cloud cover 33%Pressure 1014 hPa
Partly cloudy
13°💧 None💨 20 km/hH 81%1014 hPa
Feels like8°CWind direction westGusts —Humidity 81%Cloud cover 41%Pressure 1014 hPa
Wednesday
Partly cloudy night
11°💧 None💨 20 km/hH 94%1018 hPa
Feels like7°CWind direction northwestGusts —Humidity 94%Cloud cover 59%Pressure 1018 hPa
Partly cloudy
10°💧 None💨 22 km/hH 90%1021 hPa
Feels like5°CWind direction northwestGusts —Humidity 90%Cloud cover 55%Pressure 1021 hPa
Partly cloudy
13°💧 None💨 22 km/hH 73%1023 hPa
Feels like9°CWind direction northwestGusts —Humidity 73%Cloud cover 60%Pressure 1023 hPa
Partly cloudy
12°💧 None💨 11 km/hH 79%1023 hPa
Feels like10°CWind direction northwestGusts —Humidity 79%Cloud cover 45%Pressure 1023 hPa
Thursday
Overcast night
9°💧 None💨 4 km/hH 95%1023 hPa
Feels like8°CWind direction westGusts —Humidity 95%Cloud cover 98%Pressure 1023 hPa
Mostly sunny
9°💧 None💨 2 km/hH 99%1022 hPa
Feels like9°CWind direction northwestGusts —Humidity 99%Cloud cover 33%Pressure 1022 hPa
Overcast
14°💧 None💨 15 km/hH 73%1022 hPa
Feels like11°CWind direction westGusts —Humidity 73%Cloud cover 99%Pressure 1022 hPa
Light rain
13°💧 None💨 14 km/hH 93%1020 hPa
Feels like11°CWind direction southwestGusts —Humidity 93%Cloud cover 95%Pressure 1020 hPa
Friday
Light rain
13°💧 None💨 14 km/hH 99%1020 hPa
Feels like11°CWind direction southwestGusts —Humidity 99%Cloud cover 100%Pressure 1020 hPa
Mostly sunny
11°💧 None💨 8 km/hH 97%1020 hPa
Feels like9°CWind direction northwestGusts —Humidity 97%Cloud cover 19%Pressure 1020 hPa
Partly cloudy
15°💧 None💨 15 km/hH 66%1023 hPa
Feels like12°CWind direction northwestGusts —Humidity 66%Cloud cover 50%Pressure 1023 hPa
Sunny
13°💧 None💨 8 km/hH 76%1025 hPa
Feels like11°CWind direction northwestGusts —Humidity 76%Cloud cover 3%Pressure 1025 hPa
Saturday
Clear night
9°💧 None💨 1 km/hH 91%1027 hPa
Feels like9°CWind direction eastGusts —Humidity 91%Cloud cover 2%Pressure 1027 hPa
Partly cloudy
9°💧 None💨 1 km/hH 94%1027 hPa
Feels like8°CWind direction northeastGusts —Humidity 94%Cloud cover 46%Pressure 1027 hPa
Overcast
15°💧 None💨 8 km/hH 68%1029 hPa
Feels like14°CWind direction southwestGusts —Humidity 68%Cloud cover 98%Pressure 1029 hPa
Mostly cloudy
13°💧 None💨 6 km/hH 83%1029 hPa
Feels like11°CWind direction westGusts —Humidity 83%Cloud cover 87%Pressure 1029 hPa
Sunday
Mostly cloudy night
10°💧 None💨 4 km/hH 86%1029 hPa
Feels like9°CWind direction westGusts —Humidity 86%Cloud cover 90%Pressure 1029 hPa
Overcast
12°💧 None💨 11 km/hH 95%1028 hPa
Feels like11°CWind direction southwestGusts —Humidity 95%Cloud cover 100%Pressure 1028 hPa
Light rain
16°💧 None💨 14 km/hH 98%1029 hPa
Feels like15°CWind direction westGusts —Humidity 98%Cloud cover 100%Pressure 1029 hPa
Light rain
16°💧 None💨 10 km/hH 98%1029 hPa
Feels like16°CWind direction westGusts —Humidity 98%Cloud cover 100%Pressure 1029 hPa
Monday
Overcast night
15°💧 None💨 6 km/hH 100%1031 hPa
Feels like15°CWind direction westGusts —Humidity 100%Cloud cover 100%Pressure 1031 hPa
Overcast
15°💧 None💨 7 km/hH 100%1031 hPa
Feels like15°CWind direction westGusts —Humidity 100%Cloud cover 100%Pressure 1031 hPa
Overcast
17°💧 None💨 12 km/hH 90%1033 hPa
Feels like17°CWind direction westGusts —Humidity 90%Cloud cover 100%Pressure 1033 hPa
Overcast
15°💧 None💨 11 km/hH 95%1032 hPa
Feels like15°CWind direction westGusts —Humidity 95%Cloud cover 100%Pressure 1032 hPa
Tuesday
Overcast night
14°💧 None💨 5 km/hH 99%1033 hPa
Feels like15°CWind direction westGusts —Humidity 99%Cloud cover 100%Pressure 1033 hPa
Overcast
14°💧 None💨 1 km/hH 100%1032 hPa
Feels like15°CWind direction westGusts —Humidity 100%Cloud cover 100%Pressure 1032 hPa
Mostly cloudy
19°💧 None💨 3 km/hH 76%1032 hPa
Feels like20°CWind direction southwestGusts —Humidity 76%Cloud cover 84%Pressure 1032 hPa
Sunny
16°💧 None💨 5 km/hH 95%1029 hPa
Feels like16°CWind direction southGusts —Humidity 95%Cloud cover 6%Pressure 1029 hPa
Wednesday
Partly cloudy night
13°💧 None💨 8 km/hH 98%1026 hPa
Feels like12°CWind direction southeastGusts —Humidity 98%Cloud cover 49%Pressure 1026 hPa
In Cwmllynfell and Ystradowen and, more broadly, across Neath Port Talbot:
This morning will see a mix of sun and clouds, with temperatures starting around 13 degrees. Winds from the northwest will be noticeable, reaching up to 19 mph, with gusts possibly hitting 26 mph. Through the afternoon, temperatures are expected to climb to around 18 degrees, with the sky remaining partly cloudy. There is a possibility of light rain, with an accumulation of about 0.4 mm, and the chances of rain are around 65%. Winds will continue to be breezy, maintaining a northwest direction at similar speeds. Overall, the weather will be mild and somewhat unsettled, with periods of sunshine interrupted by passing showers and brisk winds.
15-Day Weather Outlook for Cwmllynfell and Ystradowen
TomorrowTomorrowPartly cloudy15°/9°💧 None💨 19 km/h
Daytime temperature 14°CFeels like 11°CHumidity 82%Pressure 1018 hPaCloud cover 65%Wind direction northwestGusts 39 km/hSunrise —Sunset —
Thursday, Sep 10Thu Sep 10Overcast16°/10°💧 None💨 25 km/h
Daytime temperature 13°CFeels like 11°CHumidity 90%Pressure 1015 hPaCloud cover 98%Wind direction southGusts 53 km/hSunrise —Sunset —
Friday, Sep 11Fri Sep 11Light rain16°/10°💧 23 mm💨 14 km/h
Daytime temperature 16°CFeels like 14°CHumidity 87%Pressure 1018 hPaCloud cover 75%Wind direction northwestGusts 32 km/hSunrise —Sunset —
Saturday, Sep 12Sat Sep 12Light rain16°/9°💧 1.9 mm💨 21 km/h
Daytime temperature 15°CFeels like 12°CHumidity 86%Pressure 1021 hPaCloud cover 85%Wind direction southwestGusts 44 km/hSunrise —Sunset —
Sunday, Sep 13Sun Sep 13Moderate rain18°/12°💧 7.1 mm💨 19 km/h
Daytime temperature 17°CFeels like 16°CHumidity 91%Pressure 1020 hPaCloud cover 74%Wind direction westGusts 40 km/hSunrise —Sunset —
Monday, Sep 14Mon Sep 14Moderate rain17°/13°💧 10 mm💨 24 km/h
Daytime temperature 16°CFeels like 14°CHumidity 97%Pressure 1018 hPaCloud cover 99%Wind direction southGusts 13 km/hSunrise —Sunset —
Tuesday, Sep 15Tue Sep 15Moderate rain16°/12°💧 12 mm💨 24 km/h
Daytime temperature 14°CFeels like 9°CHumidity 87%Pressure 1013 hPaCloud cover 49%Wind direction westGusts —Sunrise —Sunset —
Wednesday, Sep 16Wed Sep 16Partly cloudy13°/10°💧 1.9 mm💨 22 km/h
Daytime temperature 13°CFeels like 9°CHumidity 84%Pressure 1021 hPaCloud cover 55%Wind direction northwestGusts —Sunrise —Sunset —
Thursday, Sep 17Thu Sep 17Light rain14°/9°💧 1.4 mm💨 15 km/h
Daytime temperature 14°CFeels like 11°CHumidity 90%Pressure 1022 hPaCloud cover 81%Wind direction westGusts —Sunrise —Sunset —
Friday, Sep 18Fri Sep 18Light rain15°/11°💧 4.2 mm💨 15 km/h
Daytime temperature 15°CFeels like 12°CHumidity 84%Pressure 1022 hPaCloud cover 43%Wind direction northwestGusts —Sunrise —Sunset —
Saturday, Sep 19Sat Sep 19Overcast15°/9°💧 0.2 mm💨 8 km/h
Daytime temperature 15°CFeels like 14°CHumidity 84%Pressure 1028 hPaCloud cover 58%Wind direction southwestGusts —Sunrise —Sunset —
Sunday, Sep 20Sun Sep 20Light rain16°/10°💧 1.6 mm💨 14 km/h
Daytime temperature 16°CFeels like 15°CHumidity 94%Pressure 1029 hPaCloud cover 98%Wind direction westGusts —Sunrise —Sunset —
Monday, Sep 21Mon Sep 21Overcast17°/15°💧 1.3 mm💨 12 km/h
Daytime temperature 17°CFeels like 17°CHumidity 96%Pressure 1032 hPaCloud cover 100%Wind direction westGusts —Sunrise —Sunset —
Tuesday, Sep 22Tue Sep 22Overcast19°/14°💧 0.3 mm💨 5 km/h
Daytime temperature 19°CFeels like 20°CHumidity 92%Pressure 1032 hPaCloud cover 72%Wind direction southwestGusts —Sunrise —Sunset —
Wednesday, Sep 23Wed Sep 23Partly cloudy13°/13°💧 None💨 8 km/h
Daytime temperature 13°CFeels like 12°CHumidity 98%Pressure 1026 hPaCloud cover 49%Wind direction southeastGusts —Sunrise —Sunset —
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Cwmllynfell and Ystradowen
Vertical axis: °C · Color based on temperature
°C
AIR QUALITY FORECAST
Air Quality Forecast for Cwmllynfell and Ystradowen
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.
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
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 Cwmllynfell and Ystradowen
Vertical axis: km/h · Horizontal axis: hours
km/h
Sustained windMax gusts
NIGHT SKY · CWMLLYNFELL AND YSTRADOWEN, WALES
Tonight's Stargazing & Shooting Stars
Good observing conditions. Best local viewing window: 11:00 PM–12:00 AM.
79/100Best-hour score
BEST TIME TONIGHT11:00 PM–12:00 AM
Astronomical darkness: 9:48 PM–4:40 AM
☁Cloud cover27%
Real hourly forecast for the best viewing hour.
☾Moonlight9%
Waning Crescent · Moon below the horizon at the best viewing hour.
☄Meteor activitySeptember ε-Perseids
Reference ZHR 8 · Radiant 28° high at the best hour.
✦Estimated visible meteors0–2/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min47%
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.
DISCOVER WEATHER NEARBYWeather in other cities⌄
Explore current conditions and forecasts for other locations.
Forecast data for Cwmllynfell and Ystradowen were last refreshed today at 9:56 AM. The current forecast period extends through 10/09/2026 at 7:00 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.