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Now · 8:25 AM

Tregynon Weather & Hourly Forecast

United Kingdom · Wales · SY16 3EE

Light rain
14°C
Light rain
Feels like: 11°C
💧 Humidity 82% 🌡 Pressure 1020 hPa 💨 Wind 15 km/h 👁 Visibility 15.2 km Clouds 68% ☀️ UV index 0.1 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Tregynon

Today
Mostly cloudy · 9:00 AM Mostly cloudy
15° 💧 0.5 mm 💨 13 km/h H 81%1020 hPa
Mostly sunny · 12:00 PM Mostly sunny
19° 💧 0.1 mm 💨 18 km/h H 74%1018 hPa
Mostly cloudy · 3:00 PM Mostly cloudy
22° 💧 0.0 mm 💨 20 km/h H 68%1016 hPa
Overcast · 6:00 PM Overcast
21° 💧 0.0 mm 💨 17 km/h H 71%1015 hPa
Mostly cloudy night · 9:00 PM Mostly cloudy night
18° 💧 None 💨 17 km/h H 84%1015 hPa
Tomorrow
Overcast night · 12:00 AM Overcast night
17° 💧 0.2 mm 💨 16 km/h H 90%1015 hPa
Overcast night · 3:00 AM Overcast night
17° 💧 0.1 mm 💨 17 km/h H 92%1014 hPa
Overcast night · 6:00 AM Overcast night
16° 💧 0.1 mm 💨 14 km/h H 93%1014 hPa
Overcast · 9:00 AM Overcast
15° 💧 0.1 mm 💨 11 km/h H 83%1016 hPa
Light rain · 12:00 PM Light rain
16° 💧 0.1 mm 💨 18 km/h H 76%1016 hPa
Overcast · 3:00 PM Overcast
16° 💧 0.0 mm 💨 21 km/h H 67%1016 hPa
Overcast · 6:00 PM Overcast
16° 💧 0.0 mm 💨 20 km/h H 70%1014 hPa
Mostly cloudy night · 9:00 PM Mostly cloudy night
15° 💧 0.4 mm 💨 22 km/h H 77%1011 hPa
Tuesday
Light rain · 12:00 AM Light rain
14° 💧 0.5 mm 💨 31 km/h H 86%1010 hPa
Mostly clear night · 3:00 AM Mostly clear night
11° 💧 0.0 mm 💨 18 km/h H 86%1010 hPa
Mostly cloudy night · 6:00 AM Mostly cloudy night
11° 💧 0.5 mm 💨 19 km/h H 87%1010 hPa

In Tregynon and, more broadly, across Powys: This morning, the sky will be mostly cloudy with temperatures ranging from 15 to 20 degrees Celsius, accompanied by moderate south winds reaching up to 14 mph and gusting to 22 mph. As the day progresses, the cloud cover is expected to persist, with temperatures rising to a warm 25 degrees Celsius in the afternoon. There is a slight chance of light rain, with total accumulation around 0.2 mm, and the probability of rain reaching 35%. Winds will remain moderate throughout the day, maintaining from the south at around 14 mph. Overall, it will be a mild day with periods of cloudiness and the potential for some light rain in the afternoon.

15-Day Weather Outlook for Tregynon

TomorrowTomorrow Mostly cloudy Mostly cloudy 17°/14° 💧 None 💨 31 km/h
Tuesday, Sep 8Tue Sep 8 Mostly sunny Mostly sunny 14°/11° 💧 None 💨 31 km/h
Wednesday, Sep 9Wed Sep 9 Partly cloudy Partly cloudy 16°/10° 💧 0.2 mm 💨 24 km/h
Thursday, Sep 10Thu Sep 10 Overcast Overcast 16°/ 💧 0.2 mm 💨 20 km/h
Friday, Sep 11Fri Sep 11 Light rain Light rain 17°/12° 💧 0.5 mm 💨 19 km/h
Saturday, Sep 12Sat Sep 12 Mostly sunny Mostly sunny 15°/ 💧 2.1 mm 💨 18 km/h
Sunday, Sep 13Sun Sep 13 Light rain Light rain 16°/13° 💧 3.7 mm 💨 30 km/h
Monday, Sep 14Mon Sep 14 Light rain Light rain 17°/12° 💧 0.3 mm 💨 22 km/h
Tuesday, Sep 15Tue Sep 15 Light rain Light rain 17°/16° 💧 3.1 mm 💨 25 km/h
Wednesday, Sep 16Wed Sep 16 Moderate rain Moderate rain 15°/ 💧 11 mm 💨 20 km/h
Thursday, Sep 17Thu Sep 17 Light rain Light rain 13°/ 💧 1.2 mm 💨 22 km/h
Friday, Sep 18Fri Sep 18 Light rain Light rain 14°/10° 💧 3.8 mm 💨 15 km/h
Saturday, Sep 19Sat Sep 19 Light rain Light rain 12°/ 💧 1.5 mm 💨 23 km/h
Sunday, Sep 20Sun Sep 20 Light rain Light rain 11°/ 💧 4.6 mm 💨 26 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Tregynon

Vertical axis: °C · Color based on temperature
Mostly cloudy at 9:00 AM
15° Today 9:00 AM
Light rain at 10:00 AM
16° 10:00 AM
Light rain at 11:00 AM
17° 11:00 AM
Mostly sunny at 12:00 PM
19° 12:00 PM
Sunny at 1:00 PM
19° Today 1:00 PM
Partly cloudy at 2:00 PM
21° 2:00 PM
Mostly cloudy at 3:00 PM
22° 3:00 PM
Partly cloudy at 4:00 PM
22° 4:00 PM
Mostly cloudy at 5:00 PM
22° Today 5:00 PM
Overcast at 6:00 PM
21° 6:00 PM
Overcast at 7:00 PM
20° 7:00 PM
Mostly cloudy night at 8:00 PM
19° 8:00 PM
Mostly cloudy night at 9:00 PM
18° Today 9:00 PM
Mostly cloudy night at 10:00 PM
17° 10:00 PM
Overcast night at 11:00 PM
17° 11:00 PM
Overcast night at 12:00 AM
17° 12:00 AM
Light rain at 1:00 AM
17° Tomorrow 1:00 AM
Mostly cloudy night at 2:00 AM
17° 2:00 AM
Overcast night at 3:00 AM
17° 3:00 AM
Mostly cloudy night at 4:00 AM
17° 4:00 AM
Mostly cloudy night at 5:00 AM
17° Tomorrow 5:00 AM
Overcast night at 6:00 AM
16° 6:00 AM
Overcast at 7:00 AM
16° 7:00 AM
Overcast at 8:00 AM
15° 8:00 AM
Overcast at 9:00 AM
15° Tomorrow 9:00 AM
Overcast at 10:00 AM
15° 10:00 AM
Overcast at 11:00 AM
16° 11:00 AM
Light rain at 12:00 PM
16° 12:00 PM
Overcast at 1:00 PM
16° Tomorrow 1:00 PM
Overcast at 2:00 PM
16° 2:00 PM
Overcast at 3:00 PM
16° 3:00 PM
Overcast at 4:00 PM
17° 4:00 PM
Overcast at 5:00 PM
17° Tomorrow 5:00 PM
Overcast at 6:00 PM
16° 6:00 PM
Overcast at 7:00 PM
16° 7:00 PM
Overcast night at 8:00 PM
15° 8:00 PM
Mostly cloudy night at 9:00 PM
15° Tomorrow 9:00 PM
Light rain at 10:00 PM
14° 10:00 PM
Light rain at 11:00 PM
14° 11:00 PM
Light rain at 12:00 AM
14° 12:00 AM
Light rain at 1:00 AM
12° Tuesday 1:00 AM
Clear night at 2:00 AM
12° 2:00 AM
Mostly clear night at 3:00 AM
11° 3:00 AM
Partly cloudy night at 4:00 AM
11° 4:00 AM
Mostly clear night at 5:00 AM
11° Tuesday 5:00 AM
Mostly cloudy night at 6:00 AM
11° 6:00 AM
Light rain at 7:00 AM
11° 7:00 AM
Light rain at 8:00 AM
12° 8:00 AM
Light rain at 9:00 AM
12° Tuesday 9:00 AM
Light rain at 10:00 AM
13° 10:00 AM
Light rain at 11:00 AM
14° 11:00 AM
Light rain at 12:00 PM
14° 12:00 PM
Light rain at 1:00 PM
14° Tuesday 1:00 PM
Light rain at 2:00 PM
14° 2:00 PM
Light rain at 3:00 PM
14° 3:00 PM
Light rain at 4:00 PM
14° 4:00 PM
Light rain at 5:00 PM
14° Tuesday 5:00 PM
Light rain at 6:00 PM
13° 6:00 PM
Light rain at 7:00 PM
12° 7:00 PM
Light rain at 8:00 PM
12° 8:00 PM
Mostly clear night at 9:00 PM
11° Tuesday 9:00 PM
Mostly clear night at 10:00 PM
11° 10:00 PM
Mostly clear night at 11:00 PM
11° 11:00 PM
Mostly clear night at 12:00 AM
11° 12:00 AM
Mostly clear night at 1:00 AM
11° Wednesday 1:00 AM
Partly cloudy night at 4:00 AM
10° 4:00 AM
Partly cloudy at 7:00 AM
10° 7:00 AM
Partly cloudy at 10:00 AM
13° 10:00 AM
Mostly sunny at 1:00 PM
16° Wednesday 1:00 PM
Partly cloudy at 4:00 PM
16° 4:00 PM
Mostly cloudy at 7:00 PM
13° 7:00 PM
Overcast night at 10:00 PM
10° 10:00 PM
Overcast night at 1:00 AM
10° Thursday 1:00 AM
Overcast night at 4:00 AM
4:00 AM
Partly cloudy at 7:00 AM
7:00 AM
Mostly cloudy at 10:00 AM
14° 10:00 AM
Overcast at 1:00 PM
16° Thursday 1:00 PM
Overcast at 4:00 PM
16° 4:00 PM
Overcast at 7:00 PM
15° 7:00 PM
Overcast night at 10:00 PM
14° 10:00 PM
Mostly cloudy night at 1:00 AM
15° Friday 1:00 AM
Partly cloudy night at 4:00 AM
14° 4:00 AM
Mostly sunny at 7:00 AM
12° 7:00 AM
Partly cloudy at 10:00 AM
15° 10:00 AM
Light rain at 1:00 PM
17° Friday 1:00 PM
Mostly sunny at 4:00 PM
17° 4:00 PM
Mostly sunny at 7:00 PM
14° 7:00 PM
Mostly clear night at 1:00 AM
13° 1:00 AM
Partly cloudy at 7:00 AM
Saturday 7:00 AM
Mostly sunny at 1:00 PM
1:00 PM
Overcast at 7:00 PM
15° 7:00 PM
Overcast night at 1:00 AM
13° 1:00 AM
Light rain at 7:00 AM
14° Sunday 7:00 AM
Mostly cloudy at 1:00 PM
15° 1:00 PM
Overcast at 7:00 PM
16° 7:00 PM
Mostly clear night at 1:00 AM
15° 1:00 AM
Mostly cloudy at 7:00 AM
13° Monday 7:00 AM
Mostly cloudy at 1:00 PM
12° 1:00 PM
Light rain at 7:00 PM
17° 7:00 PM
Mostly cloudy night at 1:00 AM
16° 1:00 AM
Light rain at 7:00 AM
16° Tuesday 7:00 AM
Overcast at 1:00 PM
16° 1:00 PM
Overcast at 7:00 PM
17° 7:00 PM
Moderate rain at 1:00 AM
15° 1:00 AM
Overcast at 7:00 AM
12° Wednesday 7:00 AM
Overcast at 1:00 PM
1:00 PM
Light rain at 7:00 PM
13° 7:00 PM
Clear night at 1:00 AM
11° 1:00 AM
Mostly sunny at 7:00 AM
Thursday 7:00 AM
Mostly sunny at 1:00 PM
1:00 PM
Light rain at 7:00 PM
13° 7:00 PM
Partly cloudy night at 1:00 AM
12° 1:00 AM
Light rain at 7:00 AM
10° Friday 7:00 AM
Overcast at 1:00 PM
11° 1:00 PM
Mostly sunny at 7:00 PM
14° 7:00 PM
Partly cloudy night at 1:00 AM
11° 1:00 AM
Sunny at 7:00 AM
Saturday 7:00 AM
Light rain at 1:00 PM
1:00 PM
Light rain at 7:00 PM
12° 7:00 PM
Clear night at 1:00 AM
11° 1:00 AM
Overcast at 7:00 AM
Sunday 7:00 AM
Light rain at 1:00 PM
10° 1:00 PM
Light rain at 7:00 PM
11° 7:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Tregynon

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 9:00 AM
PM2.5 Fine particles Good 2,5µg/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 6,3µg/m³

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

O₃ Ozone Fair 65,0µg/m³

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

NO₂ Nitrogen dioxide Good 3,0µg/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 Tregynon

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 4,4Moderate 🙂Fair
Tomorrow UV 3,7Moderate 🙂Fair
Tuesday UV 3,8Moderate 🙂Fair
Wednesday UV 3,3Moderate 🙂Fair
Thursday UV 4,0Moderate 🙂Fair
Friday UV 4,0Moderate Unavailable
Saturday UV 3,0Moderate Unavailable
Hourly UV index today
9:00 AMUV 0,6 10:00 AMUV 1,4 11:00 AMUV 2,5 12:00 PMUV 3,8 1:00 PMUV 4,4 2:00 PMUV 4,2 3:00 PMUV 3,2 4:00 PMUV 2,1 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 Tregynon

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

Tonight's Stargazing & Shooting Stars

Local night-sky conditions and meteor activity for Jasper.

34/100Best-hour score
No good viewing window tonight Astronomical darkness exists, but current sky conditions are unfavorable.
Cloud cover 84% Real hourly forecast for the best viewing hour.
Moonlight 23% Waning Crescent · Moon about 21° above the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 71° high at the best hour.
Estimated visible meteors Poor visibility Meteor activity may occur above the clouds, but local viewing conditions are not suitable.
Chance ≥1 meteor in 30 minNot meaningful
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 Tregynon were last refreshed today at 8:25 AM. The current forecast period extends through 08/09/2026 at 6:00 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.