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Now · 6:24 AM

Sunbury-on-Thames Weather & Hourly Forecast

United Kingdom · England · KT12 2AP

Overcast night
18°C
Overcast night
Feels like: 19°C
💧 Humidity 95% 🌡 Pressure 1022 hPa 💨 Wind 7 km/h 👁 Visibility 11.2 km Clouds 99% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Sunbury-on-Thames

Today
Partly cloudy · 7:00 AM Partly cloudy
18° 💧 0.1 mm 💨 7 km/h H 94%1022 hPa
Overcast · 10:00 AM Overcast
21° 💧 0.4 mm 💨 12 km/h H 82%1023 hPa
Overcast · 1:00 PM Overcast
23° 💧 0.2 mm 💨 14 km/h H 69%1022 hPa
Mostly cloudy · 4:00 PM Mostly cloudy
22° 💧 0.1 mm 💨 13 km/h H 73%1021 hPa
Sunny · 7:00 PM Sunny
21° 💧 None 💨 12 km/h H 78%1020 hPa
Clear night · 10:00 PM Clear night
17° 💧 None 💨 11 km/h H 93%1020 hPa
Tomorrow
Overcast night · 1:00 AM Overcast night
17° 💧 0.0 mm 💨 11 km/h H 92%1019 hPa
Overcast night · 4:00 AM Overcast night
17° 💧 0.0 mm 💨 10 km/h H 92%1018 hPa
Overcast · 7:00 AM Overcast
17° 💧 0.0 mm 💨 13 km/h H 90%1017 hPa
Mostly cloudy · 10:00 AM Mostly cloudy
19° 💧 0.0 mm 💨 13 km/h H 79%1017 hPa
Light rain · 1:00 PM Light rain
20° 💧 1.4 mm 💨 16 km/h H 80%1015 hPa
Mostly sunny · 4:00 PM Mostly sunny
21° 💧 0.1 mm 💨 12 km/h H 65%1015 hPa
Mostly sunny · 7:00 PM Mostly sunny
18° 💧 None 💨 13 km/h H 60%1015 hPa
Clear night · 10:00 PM Clear night
15° 💧 None 💨 10 km/h H 67%1017 hPa
Wednesday
Clear night · 1:00 AM Clear night
13° 💧 None 💨 9 km/h H 82%1017 hPa
Clear night · 4:00 AM Clear night
12° 💧 None 💨 9 km/h H 87%1017 hPa

In Sunbury-on-Thames and, more broadly, across South East: This morning, a mix of sun and clouds will bring mild temperatures ranging from 18 to 23 degrees Celsius. There may be a slight chance of light rain, with an accumulation of about 0.2 mm and a maximum probability of 20%. Winds will be moderate from the southwest, reaching up to 15 mph, with gusts potentially increasing to 20 mph. As the day progresses into the afternoon, the sky is likely to remain partly cloudy, with the possibility of a brief, light shower. Overall, expect a mild and breezy day with periods of sunshine and some cloud cover. It’s advisable to keep an umbrella handy if you plan to be outdoors, especially later in the day when the chance of rain increases slightly.

15-Day Weather Outlook for Sunbury-on-Thames

TomorrowTomorrow Overcast Overcast 21°/14° 💧 None 💨 18 km/h
Wednesday, Sep 16Wed Sep 16 Mostly sunny Mostly sunny 17°/12° 💧 3.3 mm 💨 16 km/h
Thursday, Sep 17Thu Sep 17 Light rain Light rain 19°/12° 💧 2.5 mm 💨 19 km/h
Friday, Sep 18Fri Sep 18 Mostly sunny Mostly sunny 18°/11° 💧 0.0 mm 💨 23 km/h
Saturday, Sep 19Sat Sep 19 Partly cloudy Partly cloudy 23°/14° 💧 0.2 mm 💨 24 km/h
Sunday, Sep 20Sun Sep 20 Overcast Overcast 20°/14° 💧 1.7 mm 💨 15 km/h
Monday, Sep 21Mon Sep 21 Partly cloudy Partly cloudy 22°/14° 💧 0.0 mm 💨 17 km/h
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 22°/16° 💧 0.2 mm 💨 14 km/h
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 21°/15° 💧 0.1 mm 💨 7 km/h
Thursday, Sep 24Thu Sep 24 Partly cloudy Partly cloudy 20°/14° 💧 0.1 mm 💨 9 km/h
Friday, Sep 25Fri Sep 25 Overcast Overcast 16°/ 💧 3.2 mm 💨 17 km/h
Saturday, Sep 26Sat Sep 26 Mostly cloudy Mostly cloudy 19°/ 💧 None 💨 17 km/h
Sunday, Sep 27Sun Sep 27 Overcast Overcast 19°/13° 💧 0.3 mm 💨 18 km/h
Monday, Sep 28Mon Sep 28 Mostly cloudy Mostly cloudy 18°/ 💧 0.0 mm 💨 11 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sunbury-on-Thames

Vertical axis: °C · Color based on temperature
Partly cloudy at 7:00 AM
18° Today 7:00 AM
Partly cloudy at 8:00 AM
18° 8:00 AM
Mostly cloudy at 9:00 AM
20° 9:00 AM
Overcast at 10:00 AM
21° 10:00 AM
Light rain at 11:00 AM
21° Today 11:00 AM
Light rain at 12:00 PM
22° 12:00 PM
Overcast at 1:00 PM
23° 1:00 PM
Overcast at 2:00 PM
22° 2:00 PM
Light rain at 3:00 PM
22° Today 3:00 PM
Mostly cloudy at 4:00 PM
22° 4:00 PM
Overcast at 5:00 PM
23° 5:00 PM
Mostly sunny at 6:00 PM
22° 6:00 PM
Sunny at 7:00 PM
21° Today 7:00 PM
Clear night at 8:00 PM
19° 8:00 PM
Clear night at 9:00 PM
18° 9:00 PM
Clear night at 10:00 PM
17° 10:00 PM
Partly cloudy night at 11:00 PM
17° Today 11:00 PM
Overcast night at 12:00 AM
17° 12:00 AM
Overcast night at 1:00 AM
17° 1:00 AM
Overcast night at 2:00 AM
17° 2:00 AM
Overcast night at 3:00 AM
17° Tomorrow 3:00 AM
Overcast night at 4:00 AM
17° 4:00 AM
Overcast night at 5:00 AM
17° 5:00 AM
Overcast night at 6:00 AM
17° 6:00 AM
Overcast at 7:00 AM
17° Tomorrow 7:00 AM
Overcast at 8:00 AM
17° 8:00 AM
Overcast at 9:00 AM
18° 9:00 AM
Mostly cloudy at 10:00 AM
19° 10:00 AM
Overcast at 11:00 AM
20° Tomorrow 11:00 AM
Overcast at 12:00 PM
20° 12:00 PM
Light rain at 1:00 PM
20° 1:00 PM
Light rain at 2:00 PM
18° 2:00 PM
Light rain at 3:00 PM
18° Tomorrow 3:00 PM
Mostly sunny at 4:00 PM
21° 4:00 PM
Mostly sunny at 5:00 PM
21° 5:00 PM
Sunny at 6:00 PM
20° 6:00 PM
Mostly sunny at 7:00 PM
18° Tomorrow 7:00 PM
Clear night at 8:00 PM
17° 8:00 PM
Clear night at 9:00 PM
16° 9:00 PM
Clear night at 10:00 PM
15° 10:00 PM
Clear night at 11:00 PM
14° Tomorrow 11:00 PM
Clear night at 12:00 AM
14° 12:00 AM
Clear night at 1:00 AM
13° 1:00 AM
Clear night at 2:00 AM
13° 2:00 AM
Clear night at 3:00 AM
12° Wednesday 3:00 AM
Clear night at 4:00 AM
12° 4:00 AM
Clear night at 5:00 AM
12° 5:00 AM
Clear night at 6:00 AM
12° 6:00 AM
Mostly sunny at 7:00 AM
12° Wednesday 7:00 AM
Mostly sunny at 8:00 AM
13° 8:00 AM
Partly cloudy at 9:00 AM
14° 9:00 AM
Overcast at 10:00 AM
15° 10:00 AM
Overcast at 11:00 AM
16° Wednesday 11:00 AM
Overcast at 12:00 PM
17° 12:00 PM
Overcast at 1:00 PM
17° 1:00 PM
Mostly cloudy night at 10:00 PM
15° 10:00 PM
Overcast night at 1:00 AM
14° Thursday 1:00 AM
Mostly cloudy night at 4:00 AM
13° 4:00 AM
Overcast at 7:00 AM
12° 7:00 AM
Overcast at 10:00 AM
16° 10:00 AM
Light rain at 1:00 PM
17° Thursday 1:00 PM
Mostly cloudy at 4:00 PM
19° 4:00 PM
Mostly sunny at 7:00 PM
16° 7:00 PM
Clear night at 10:00 PM
14° 10:00 PM
Clear night at 1:00 AM
13° Friday 1:00 AM
Clear night at 4:00 AM
12° 4:00 AM
Sunny at 7:00 AM
11° 7:00 AM
Mostly sunny at 10:00 AM
15° 10:00 AM
Overcast at 1:00 PM
18° Friday 1:00 PM
Overcast at 4:00 PM
18° 4:00 PM
Overcast at 7:00 PM
16° 7:00 PM
Clear night at 10:00 PM
14° 10:00 PM
Overcast night at 1:00 AM
14° Saturday 1:00 AM
Overcast night at 4:00 AM
16° 4:00 AM
Overcast at 7:00 AM
17° 7:00 AM
Partly cloudy at 10:00 AM
19° 10:00 AM
Partly cloudy at 1:00 PM
22° Saturday 1:00 PM
Mostly cloudy at 4:00 PM
23° 4:00 PM
Sunny at 7:00 PM
20° 7:00 PM
Overcast night at 1:00 AM
19° 1:00 AM
Overcast at 7:00 AM
17° Sunday 7:00 AM
Sunny at 1:00 PM
14° 1:00 PM
Partly cloudy at 7:00 PM
20° 7:00 PM
Partly cloudy night at 1:00 AM
17° 1:00 AM
Mostly cloudy at 7:00 AM
14° Monday 7:00 AM
Mostly cloudy at 1:00 PM
14° 1:00 PM
Mostly cloudy at 7:00 PM
22° 7:00 PM
Clear night at 1:00 AM
20° 1:00 AM
Partly cloudy at 7:00 AM
16° Tuesday 7:00 AM
Mostly cloudy at 1:00 PM
16° 1:00 PM
Overcast at 7:00 PM
22° 7:00 PM
Mostly clear night at 1:00 AM
21° 1:00 AM
Mostly sunny at 7:00 AM
16° Wednesday 7:00 AM
Overcast at 1:00 PM
15° 1:00 PM
Overcast at 7:00 PM
20° 7:00 PM
Clear night at 1:00 AM
20° 1:00 AM
Partly cloudy at 7:00 AM
15° Thursday 7:00 AM
Partly cloudy at 1:00 PM
14° 1:00 PM
Partly cloudy night at 7:00 PM
20° 7:00 PM
Overcast night at 1:00 AM
16° 1:00 AM
Mostly sunny at 7:00 AM
12° Friday 7:00 AM
Sunny at 1:00 PM
1:00 PM
Overcast night at 7:00 PM
15° 7:00 PM
Mostly cloudy night at 1:00 AM
14° 1:00 AM
Mostly cloudy at 7:00 AM
10° Saturday 7:00 AM
Partly cloudy at 1:00 PM
1:00 PM
Clear night at 7:00 PM
19° 7:00 PM
Clear night at 1:00 AM
17° 1:00 AM
Mostly sunny at 7:00 AM
13° Sunday 7:00 AM
Mostly cloudy at 1:00 PM
13° 1:00 PM
Overcast night at 7:00 PM
19° 7:00 PM
Mostly cloudy night at 1:00 AM
17° 1:00 AM
Partly cloudy at 7:00 AM
12° Monday 7:00 AM
Mostly sunny at 1:00 PM
1:00 PM
Clear night at 7:00 PM
18° 7:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Sunbury-on-Thames

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 7:00 AM
PM2.5 Fine particles Good 4,2µg/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 11,4µg/m³

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

O₃ Ozone Good 48,1µg/m³

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

NO₂ Nitrogen dioxide Good 12,1µg/m³

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 Sunbury-on-Thames

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 4,1Moderate 😊Good
Tomorrow UV 3,6Moderate 🙂Fair
Wednesday UV 3,0Moderate 🙂Fair
Thursday UV 4,0Moderate 🙂Fair
Friday UV 5,0Moderate 🙂Fair
Saturday UV 5,0Moderate Unavailable
Sunday UV 4,0Moderate Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,3 9:00 AMUV 1,0 10:00 AMUV 1,9 11:00 AMUV 2,6 12:00 PMUV 2,7 1:00 PMUV 4,1 2:00 PMUV 3,9 3:00 PMUV 3,0 4:00 PMUV 1,9 5:00 PMUV 1,0 6:00 PMUV 0,3
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 Sunbury-on-Thames

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 9:00 PM–10:00 PM.

97/100Best-hour score
BEST TIME TONIGHT 9:00 PM–10:00 PM Astronomical darkness: 9:15 PM–4:40 AM
Cloud cover 1% Real hourly forecast for the best viewing hour.
Moonlight 10% Waxing Crescent · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 18° high at the best hour.
Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min39%
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 Sunbury-on-Thames were last refreshed today at 6:24 AM. The current forecast period extends through 16/09/2026 at 4:00 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.