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Now · 11:49 PM

London Weather & Hourly Forecast

United Kingdom · England · SW1A 1AA

Clear night
13°C
Clear night
Feels like: 11°C
💧 Humidity 78% 🌡 Pressure 1012 hPa 💨 Wind 10 km/h 👁 Visibility 34.1 km Clouds 5% ☀️ UV index 0.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for London

Tomorrow
Clear night · 12:00 AM Clear night
13° 💧 None 💨 10 km/h H 78%1012 hPa
Clear night · 3:00 AM Clear night
12° 💧 None 💨 10 km/h H 87%1013 hPa
Clear night · 6:00 AM Clear night
11° 💧 None 💨 9 km/h H 91%1014 hPa
Overcast · 9:00 AM Overcast
13° 💧 None 💨 9 km/h H 83%1015 hPa
Mostly cloudy · 12:00 PM Mostly cloudy
17° 💧 None 💨 13 km/h H 58%1015 hPa
Overcast · 3:00 PM Overcast
18° 💧 None 💨 17 km/h H 57%1014 hPa
Overcast · 6:00 PM Overcast
18° 💧 0.0 mm 💨 16 km/h H 58%1014 hPa
Mostly cloudy night · 9:00 PM Mostly cloudy night
16° 💧 None 💨 15 km/h H 70%1014 hPa
Saturday
Partly cloudy night · 12:00 AM Partly cloudy night
16° 💧 None 💨 17 km/h H 74%1014 hPa
Overcast night · 3:00 AM Overcast night
17° 💧 None 💨 18 km/h H 81%1014 hPa
Overcast night · 6:00 AM Overcast night
17° 💧 None 💨 15 km/h H 84%1014 hPa
Overcast · 9:00 AM Overcast
18° 💧 0.0 mm 💨 19 km/h H 79%1015 hPa
Overcast · 12:00 PM Overcast
20° 💧 0.0 mm 💨 21 km/h H 66%1016 hPa
Overcast · 3:00 PM Overcast
21° 💧 0.0 mm 💨 20 km/h H 68%1016 hPa
Overcast · 6:00 PM Overcast
20° 💧 0.1 mm 💨 16 km/h H 79%1017 hPa
Overcast night · 9:00 PM Overcast night
19° 💧 0.2 mm 💨 16 km/h H 83%1018 hPa

In London and, more broadly, across London: This evening, skies will be a mix of sun and clouds, with temperatures remaining mild between 11 and 19 degrees Celsius. Winds will be moderate, coming from the southwest at around 10 mph, with occasional gusts reaching up to 24 mph. No rain is expected during the night or over the next few hours, so the conditions should remain dry. It will feel fairly mild outside, but the breeze may bring a slight chill, especially with the wind gusts. Overall, it looks like a calm and dry evening, with comfortable temperatures and some variability in the sky's appearance.

15-Day Weather Outlook for London

TomorrowTomorrow Partly cloudy Partly cloudy 19°/11° 💧 None 💨 18 km/h
Saturday, Sep 19Sat Sep 19 Partly cloudy Partly cloudy 21°/16° 💧 None 💨 21 km/h
Sunday, Sep 20Sun Sep 20 Overcast Overcast 19°/14° 💧 None 💨 16 km/h
Monday, Sep 21Mon Sep 21 Partly cloudy Partly cloudy 20°/10° 💧 None 💨 5 km/h
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 21°/14° 💧 0.0 mm 💨 5 km/h
Wednesday, Sep 23Wed Sep 23 Overcast Overcast 20°/15° 💧 1.0 mm 💨 6 km/h
Thursday, Sep 24Thu Sep 24 Partly cloudy Partly cloudy 21°/13° 💧 0.0 mm 💨 6 km/h
Friday, Sep 25Fri Sep 25 Overcast Overcast 25°/16° 💧 None 💨 15 km/h
Saturday, Sep 26Sat Sep 26 Partly cloudy Partly cloudy 23°/15° 💧 0.3 mm 💨 15 km/h
Sunday, Sep 27Sun Sep 27 Light rain Light rain 20°/11° 💧 1.0 mm 💨 14 km/h
Monday, Sep 28Mon Sep 28 Mostly sunny Mostly sunny 18°/10° 💧 None 💨 9 km/h
Tuesday, Sep 29Tue Sep 29 Overcast Overcast 18°/12° 💧 0.4 mm 💨 11 km/h
Wednesday, Sep 30Wed Sep 30 Overcast Overcast 21°/15° 💧 1.1 mm 💨 16 km/h
Thursday, Oct 1Thu Oct 1 Partly cloudy Partly cloudy 22°/15° 💧 0.0 mm 💨 13 km/h
Friday, Oct 2Fri Oct 2 Mostly cloudy Mostly cloudy 20°/15° 💧 None 💨 9 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in London

Vertical axis: °C · Color based on temperature
Clear night at 12:00 AM
13° Tomorrow 12:00 AM
Clear night at 1:00 AM
13° 1:00 AM
Clear night at 2:00 AM
12° 2:00 AM
Clear night at 3:00 AM
12° 3:00 AM
Clear night at 4:00 AM
12° Tomorrow 4:00 AM
Clear night at 5:00 AM
11° 5:00 AM
Clear night at 6:00 AM
11° 6:00 AM
Partly cloudy at 7:00 AM
11° 7:00 AM
Overcast at 8:00 AM
12° Tomorrow 8:00 AM
Overcast at 9:00 AM
13° 9:00 AM
Overcast at 10:00 AM
14° 10:00 AM
Mostly cloudy at 11:00 AM
15° 11:00 AM
Mostly cloudy at 12:00 PM
17° Tomorrow 12:00 PM
Overcast at 1:00 PM
19° 1:00 PM
Overcast at 2:00 PM
19° 2:00 PM
Overcast at 3:00 PM
18° 3:00 PM
Mostly cloudy at 4:00 PM
18° Tomorrow 4:00 PM
Overcast at 5:00 PM
19° 5:00 PM
Overcast at 6:00 PM
18° 6:00 PM
Overcast at 7:00 PM
17° 7:00 PM
Mostly cloudy night at 8:00 PM
17° Tomorrow 8:00 PM
Mostly cloudy night at 9:00 PM
16° 9:00 PM
Overcast night at 10:00 PM
16° 10:00 PM
Mostly cloudy night at 11:00 PM
16° 11:00 PM
Partly cloudy night at 12:00 AM
16° Saturday 12:00 AM
Mostly cloudy night at 1:00 AM
16° 1:00 AM
Overcast night at 2:00 AM
16° 2:00 AM
Overcast night at 3:00 AM
17° 3:00 AM
Overcast night at 4:00 AM
17° Saturday 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° 7:00 AM
Mostly cloudy at 8:00 AM
17° Saturday 8:00 AM
Overcast at 9:00 AM
18° 9:00 AM
Overcast at 10:00 AM
19° 10:00 AM
Overcast at 11:00 AM
20° 11:00 AM
Overcast at 12:00 PM
20° Saturday 12:00 PM
Overcast at 1:00 PM
20° 1:00 PM
Overcast at 2:00 PM
21° 2:00 PM
Overcast at 3:00 PM
21° 3:00 PM
Overcast at 4:00 PM
20° Saturday 4:00 PM
Overcast at 5:00 PM
20° 5:00 PM
Overcast at 6:00 PM
20° 6:00 PM
Overcast at 7:00 PM
19° 7:00 PM
Overcast night at 8:00 PM
19° Saturday 8:00 PM
Overcast night at 9:00 PM
19° 9:00 PM
Overcast night at 10:00 PM
19° 10:00 PM
Light rain at 11:00 PM
18° 11:00 PM
Light rain at 12:00 AM
18° Sunday 12:00 AM
Overcast night at 1:00 AM
18° 1:00 AM
Overcast night at 2:00 AM
17° 2:00 AM
Overcast night at 3:00 AM
17° 3:00 AM
Overcast night at 4:00 AM
16° Sunday 4:00 AM
Overcast night at 5:00 AM
16° 5:00 AM
Overcast night at 6:00 AM
16° 6:00 AM
Overcast at 7:00 AM
15° 7:00 AM
Mostly cloudy at 8:00 AM
15° Sunday 8:00 AM
Partly cloudy at 9:00 AM
16° 9:00 AM
Mostly cloudy at 10:00 AM
17° 10:00 AM
Mostly cloudy at 11:00 AM
18° 11:00 AM
Overcast at 12:00 PM
18° Sunday 12:00 PM
Overcast at 1:00 PM
19° 1:00 PM
Overcast at 4:00 PM
19° 4:00 PM
Mostly cloudy at 7:00 PM
17° 7:00 PM
Partly cloudy night at 10:00 PM
14° Sunday 10:00 PM
Mostly cloudy night at 1:00 AM
12° 1:00 AM
Partly cloudy night at 4:00 AM
11° 4:00 AM
Partly cloudy at 7:00 AM
10° 7:00 AM
Partly cloudy at 10:00 AM
14° Monday 10:00 AM
Sunny at 1:00 PM
18° 1:00 PM
Sunny at 4:00 PM
20° 4:00 PM
Sunny at 7:00 PM
19° 7:00 PM
Clear night at 10:00 PM
17° Monday 10:00 PM
Clear night at 1:00 AM
15° 1:00 AM
Clear night at 4:00 AM
14° 4:00 AM
Sunny at 7:00 AM
13° 7:00 AM
Sunny at 10:00 AM
18° Tuesday 10:00 AM
Mostly cloudy at 1:00 PM
23° 1:00 PM
Mostly cloudy at 4:00 PM
24° 4:00 PM
Mostly sunny at 7:00 PM
22° 7:00 PM
Mostly clear night at 10:00 PM
18° Tuesday 10:00 PM
Mostly cloudy night at 1:00 AM
17° 1:00 AM
Mostly cloudy night at 4:00 AM
15° 4:00 AM
Mostly cloudy at 7:00 AM
15° 7:00 AM
Overcast at 10:00 AM
18° Wednesday 10:00 AM
Mostly cloudy at 1:00 PM
23° 1:00 PM
Mostly cloudy night at 7:00 PM
21° 7:00 PM
Mostly cloudy night at 1:00 AM
17° 1:00 AM
Partly cloudy at 7:00 AM
15° Thursday 7:00 AM
Overcast at 1:00 PM
20° 1:00 PM
Mostly cloudy night at 7:00 PM
18° 7:00 PM
Clear night at 1:00 AM
14° 1:00 AM
Mostly sunny at 7:00 AM
14° Friday 7:00 AM
Sunny at 1:00 PM
26° 1:00 PM
Clear night at 7:00 PM
22° 7:00 PM
Mostly clear night at 1:00 AM
16° 1:00 AM
Partly cloudy at 7:00 AM
14° Saturday 7:00 AM
Sunny at 1:00 PM
20° 1:00 PM
Overcast night at 7:00 PM
20° 7:00 PM
Overcast night at 1:00 AM
16° 1:00 AM
Partly cloudy at 7:00 AM
13° Sunday 7:00 AM
Mostly sunny at 1:00 PM
19° 1:00 PM
Mostly cloudy night at 7:00 PM
18° 7:00 PM
Clear night at 1:00 AM
14° 1:00 AM
Sunny at 7:00 AM
13° Monday 7:00 AM
Sunny at 1:00 PM
22° 1:00 PM
Clear night at 7:00 PM
21° 7:00 PM
Clear night at 1:00 AM
15° 1:00 AM
Sunny at 7:00 AM
12° Tuesday 7:00 AM
Sunny at 1:00 PM
24° 1:00 PM
Clear night at 7:00 PM
23° 7:00 PM
Clear night at 1:00 AM
19° 1:00 AM
Sunny at 7:00 AM
16° Wednesday 7:00 AM
Sunny at 1:00 PM
27° 1:00 PM
Partly cloudy night at 7:00 PM
23° 7:00 PM
Overcast night at 1:00 AM
16° 1:00 AM
Partly cloudy at 7:00 AM
12° Thursday 7:00 AM
Sunny at 1:00 PM
18° 1:00 PM
Mostly clear night at 7:00 PM
17° 7:00 PM
Clear night at 1:00 AM
13° 1:00 AM
Clear night at 7:00 AM
Friday 7:00 AM
Sunny at 1:00 PM
17° 1:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for London

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 12:00 AM
PM2.5 Fine particles Good 1,2µg/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 2,5µg/m³

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

O₃ Ozone Fair 72,5µg/m³

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

NO₂ Nitrogen dioxide Good 2,2µg/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 London

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 Unavailable
Tomorrow UV 3,9Moderate 🙂Fair
Saturday UV 2,9Low 🙂Fair
Sunday UV 3,8Moderate 🙂Fair
Monday UV 6,0High 🙂Fair
Tuesday UV 6,0High Unavailable
Wednesday UV 6,0High Unavailable
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 London

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

99/100Best-hour score
BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:06 PM–4:45 AM
Cloud cover 1% Real hourly forecast for the best viewing hour.
Moonlight 37% First Quarter · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 63° high at the best hour.
Estimated visible meteors 2–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min77%
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 London were last refreshed today at 11:42 PM. The current forecast period extends through 19/09/2026 at 9:00 PM. 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.