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Now · 7:58 AM

Cwm Weather & Hourly Forecast

United Kingdom · Wales · NP23 7AA

Mostly cloudy
14°C
Mostly cloudy
Feels like: 13°C
💧 Humidity 99% 🌡 Pressure 1024 hPa 💨 Wind 11 km/h 👁 Visibility 6.9 km Clouds 93% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:58 AM 🌇 Sunset 7:11 PM

Hourly Forecast for Cwm

Today
Partly cloudy · 8:00 AM Partly cloudy
15° 💧 0.0 mm 💨 14 km/h H 94%1025 hPa
Mostly cloudy · 11:00 AM Mostly cloudy
17° 💧 0.1 mm 💨 16 km/h H 76%1025 hPa
Mostly cloudy · 2:00 PM Mostly cloudy
18° 💧 0.0 mm 💨 16 km/h H 71%1025 hPa
Sunny · 5:00 PM Sunny
17° 💧 None 💨 12 km/h H 67%1026 hPa
Overcast night · 8:00 PM Overcast night
13° 💧 0.0 mm 💨 8 km/h H 77%1027 hPa
Overcast night · 11:00 PM Overcast night
11° 💧 None 💨 8 km/h H 81%1028 hPa
Tomorrow
Mostly cloudy night · 2:00 AM Mostly cloudy night
10° 💧 0.0 mm 💨 7 km/h H 84%1027 hPa
Overcast night · 5:00 AM Overcast night
💧 None 💨 5 km/h H 89%1026 hPa
Mostly cloudy · 8:00 AM Mostly cloudy
10° 💧 None 💨 5 km/h H 90%1026 hPa
Mostly cloudy · 11:00 AM Mostly cloudy
14° 💧 None 💨 8 km/h H 76%1025 hPa
Mostly cloudy · 2:00 PM Mostly cloudy
17° 💧 None 💨 13 km/h H 73%1024 hPa
Partly cloudy · 5:00 PM Partly cloudy
18° 💧 None 💨 14 km/h H 69%1022 hPa
Clear night · 8:00 PM Clear night
14° 💧 None 💨 10 km/h H 90%1022 hPa
Clear night · 11:00 PM Clear night
13° 💧 None 💨 6 km/h H 98%1021 hPa
Friday
Fog at night · 2:00 AM Fog at night
12° 💧 None 💨 4 km/h H 100%1021 hPa
Fog at night · 5:00 AM Fog at night
13° 💧 None 💨 4 km/h H 99%1020 hPa

In Cwm and, more broadly, across Blaenau Gwent: The rest of the day is expected to remain mostly cloudy, with temperatures ranging from 14 to 19 degrees Celsius. Conditions should be relatively mild, with light west winds blowing at around 5 mph, occasionally gusting up to 13 mph. No significant rainfall is forecast, so the weather will stay dry throughout the afternoon. The light winds may bring a gentle breeze, but overall, the conditions will be calm and settled. As the day progresses, the cloudy skies may persist into the evening, but temperatures are unlikely to drop significantly. Overall, it looks like a mild and dry day ahead, with no major weather concerns.

15-Day Weather Outlook for Cwm

TomorrowTomorrow Overcast Overcast 18°/ 💧 None 💨 14 km/h
Friday, Sep 25Fri Sep 25 Light rain Light rain 17°/11° 💧 1.0 mm 💨 12 km/h
Saturday, Sep 26Sat Sep 26 Mostly cloudy Mostly cloudy 16°/ 💧 0.2 mm 💨 13 km/h
Sunday, Sep 27Sun Sep 27 Moderate rain Moderate rain 15°/ 💧 8.6 mm 💨 23 km/h
Monday, Sep 28Mon Sep 28 Moderate rain Moderate rain 14°/11° 💧 5.6 mm 💨 8 km/h
Tuesday, Sep 29Tue Sep 29 Moderate rain Moderate rain 16°/10° 💧 17 mm 💨 24 km/h
Wednesday, Sep 30Wed Sep 30 Light rain Light rain 16°/11° 💧 7.6 mm 💨 24 km/h
Thursday, Oct 1Thu Oct 1 Moderate rain Moderate rain 16°/13° 💧 8.8 mm 💨 23 km/h
Friday, Oct 2Fri Oct 2 Moderate rain Moderate rain 14°/12° 💧 14 mm 💨 15 km/h
Saturday, Oct 3Sat Oct 3 Mostly sunny Mostly sunny 14°/ 💧 0.9 mm 💨 15 km/h
Sunday, Oct 4Sun Oct 4 Light rain Light rain 13°/ 💧 1.6 mm 💨 14 km/h
Monday, Oct 5Mon Oct 5 Light rain Light rain 16°/12° 💧 3.8 mm 💨 23 km/h
Tuesday, Oct 6Tue Oct 6 Light rain Light rain 15°/13° 💧 10 mm 💨 27 km/h
Wednesday, Oct 7Wed Oct 7 Moderate rain Moderate rain 11°/ 💧 23 mm 💨 28 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Cwm

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

AIR QUALITY FORECAST

Air Quality Forecast for Cwm

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 8:00 AM
PM2.5 Fine particles Fair 13,8µg/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 15,8µg/m³

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

O₃ Ozone Good 27,9µg/m³

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

NO₂ Nitrogen dioxide Good 12,4µg/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 Cwm

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 3,5Moderate 🙂Fair
Friday UV 3,4Moderate 😐Moderate
Saturday UV 3,0Moderate 🙂Fair
Sunday UV 5,0Moderate 🙂Fair
Monday UV 5,0Moderate Unavailable
Tuesday UV 4,0Moderate Unavailable
Hourly UV index today
8:00 AMUV 0,1 9:00 AMUV 0,3 10:00 AMUV 1,2 11:00 AMUV 2,1 12:00 PMUV 2,8 1:00 PMUV 3,1 2:00 PMUV 3,2 3:00 PMUV 2,5 4:00 PMUV 1,6 5:00 PMUV 0,8 6:00 PMUV 0,3 7:00 PMUV 0,0
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 Cwm

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

Tonight's Stargazing & Shooting Stars

Fair observing conditions. Best local viewing window: 1:00 AM–2:00 AM.

46/100Best-hour score
BEST TIME TONIGHT 1:00 AM–2:00 AM Astronomical darkness: 9:03 PM–5:08 AM
Cloud cover 67% Real hourly forecast for the best viewing hour.
Moonlight 92% Waxing Gibbous · Moon about 21° above the horizon at the best viewing hour.
Meteor activity Southern Taurids Reference ZHR 7 · Radiant 35° 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 min17%
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 Cwm were last refreshed today at 7:13 AM. The current forecast period extends through 25/09/2026 at 5:00 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.