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Now · 9:53 AM

Cwmafan Weather & Hourly Forecast

United Kingdom · Wales · SA12 9AA

Light rain
16°C
Light rain
Feels like: 15°C
💧 Humidity 93% 🌡 Pressure 1019 hPa 💨 Wind 10 km/h 👁 Visibility 6.8 km ☁ Clouds 100% ☀️ UV index 1.0 · Low 🌅 Sunrise 7:04 AM 🌇 Sunset 7:08 PM

Hourly Forecast for Cwmafan

Today
Light rain · 10:00 AM Light rain
16° 💧 0.4 mm 💨 10 km/h H 93%1019 hPa
Overcast · 1:00 PM Overcast
18° 💧 None 💨 10 km/h H 67%1019 hPa
Mostly cloudy · 4:00 PM Mostly cloudy
17° 💧 None 💨 16 km/h H 61%1020 hPa
Overcast · 7:00 PM Overcast
14° 💧 0.1 mm 💨 12 km/h H 73%1021 hPa
Mostly cloudy night · 10:00 PM Mostly cloudy night
13° 💧 None 💨 7 km/h H 86%1022 hPa
Tomorrow
Mostly cloudy night · 1:00 AM Mostly cloudy night
12° 💧 None 💨 6 km/h H 88%1022 hPa
Mostly cloudy night · 4:00 AM Mostly cloudy night
12° 💧 None 💨 2 km/h H 86%1022 hPa
Mostly cloudy night · 7:00 AM Mostly cloudy night
12° 💧 None 💨 3 km/h H 86%1022 hPa
Overcast · 10:00 AM Overcast
16° 💧 0.0 mm 💨 8 km/h H 75%1023 hPa
Partly cloudy · 1:00 PM Partly cloudy
17° 💧 None 💨 13 km/h H 67%1023 hPa
Mostly sunny · 4:00 PM Mostly sunny
17° 💧 None 💨 12 km/h H 67%1022 hPa
Overcast · 7:00 PM Overcast
15° 💧 0.0 mm 💨 4 km/h H 80%1021 hPa
Mostly cloudy night · 10:00 PM Mostly cloudy night
14° 💧 0.1 mm 💨 7 km/h H 82%1021 hPa
Sunday
Overcast night · 1:00 AM Overcast night
13° 💧 None 💨 7 km/h H 86%1019 hPa
Mostly cloudy night · 4:00 AM Mostly cloudy night
13° 💧 None 💨 16 km/h H 86%1016 hPa
Mostly cloudy night · 7:00 AM Mostly cloudy night
13° 💧 0.4 mm 💨 21 km/h H 85%1013 hPa

In Cwmafan and, more broadly, across Neath Port Talbot: The rest of the day will see mostly cloudy skies with mild temperatures ranging from 17 to 20 degrees Celsius. Light southwesterly winds are expected, with maximum speeds around 4 mph and gusts reaching up to 9 mph. No significant rainfall is anticipated, so conditions are likely to remain dry throughout the afternoon. It should be a relatively gentle day weather-wise, with a subdued breeze and comfortable temperatures. The cloud cover may persist into the evening, but it is unlikely to bring any notable changes in weather. Overall, it looks like a mild and mostly settled day ahead.

15-Day Weather Outlook for Cwmafan

TomorrowTomorrow Mostly cloudy Mostly cloudy 17°/11° 💧 None 💨 14 km/h
Sunday, Sep 27Sun Sep 27 Overcast Overcast 18°/13° 💧 None 💨 23 km/h
Monday, Sep 28Mon Sep 28 Mostly cloudy Mostly cloudy 12°/11° 💧 None 💨 7 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Cwmafan

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

AIR QUALITY FORECAST

Air Quality Forecast for Cwmafan

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 10:00 AM
PM2.5 Fine particles Good 5,8µg/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 8,6µg/m³

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

O₃ Ozone Fair 67,2µg/m³

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

NO₂ Nitrogen dioxide Good 4,2µg/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 Cwmafan

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 3,1Moderate 🙂Fair
Tomorrow UV 2,8Low 🙂Fair
Sunday UV 2,0Low 🙂Fair
Hourly UV index today
10:00 AMUV 1,0 11:00 AMUV 0,9 12:00 PMUV 1,8 1:00 PMUV 3,1 2:00 PMUV 2,7 3:00 PMUV 2,7 4:00 PMUV 2,3 5:00 PMUV 1,6 6:00 PMUV 0,7 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 Cwmafan

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

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 11:00 PM–12:00 AM.

67/100Best-hour score
BEST TIME TONIGHT 11:00 PM–12:00 AM Astronomical darkness: 9:00 PM–5:14 AM
☁ Cloud cover 30% Real hourly forecast for the best viewing hour.
☾ Moonlight 99% Full Moon · Moon about 34° above the horizon at the best viewing hour.
☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 17° high at the best hour.
✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min12%
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.

Forecast data for Cwmafan were last refreshed today at 9:53 AM. The current forecast period extends through 27/09/2026 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.