City in Greater London

London Weather Forecast

London weather: 65°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☀️ 65°F now🕔 10:33 AM local📅 Best: May, June, July and August👥 8.9 million

Summary

London is a city in Greater London. London is known for Big Ben, museums, West End theatre. It has a population of about 8.9 million.

Right now it is 65°F (18°C) in London with clear sky. It feels like 63°F. Today runs from 61°F to 77°F. Chance of precipitation is 6%. Sightseeing conditions score 9.4/10 - excellent - go now.

The best time to visit London is May, June, July and August. The climate is temperate. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 76°F, while January is the coldest with lows near 36°F.

The closest major airport is London Heathrow Airport (LHR), about 14 mi away. Nearby highlights include Big Ben and the Houses of Parliament, British Museum, Tower of London and River Thames.

In plain terms. Today is slightly warmer than average for August. The forecast high of 77°F is 3.1°F above the 74°F typical for this month. The best window to be outside is roughly 10 AM to 1 PM, when temperature, rain chance and wind line up best. sightseeing is the strongest bet in London today at 9.4/10. No weather-related travel disruption is expected today. Roads and airports should run normally.

Compiled from this page's own data: atlas facts plus live Open-Meteo readings.

Weather in London right now

☀️
65°F
Clear sky · feels like 63°F
Humidity70%
Wind9 mph ENE
Gusts19 mph
UV index1.6 · Low
Cloud cover16%
Pressure1012 hPa
VisibilityExcellent · 21 mi
Air quality39 · Good
Sunrise6:02 AM
Sunset8:02 PM
Moon🌔 Waxing gibbous · 90%

Source: Open-Meteo. Updated 10:33 AM, Aug 25 local time.

See the London forecast by time range

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

9 AM☀️65°0%9 mph
10 AM🌤️68°0%10 mph
11 AM☀️71°0%10 mph
12 PM🌤️74°0%10 mph
1 PM☀️75°0%10 mph
2 PM☀️76°0%11 mph
3 PM☀️77°0%11 mph
4 PM☀️77°0%11 mph
5 PM☀️76°0%11 mph
6 PM☀️74°0%11 mph
7 PM🌙72°0%10 mph
8 PM🌙71°0%9 mph
9 PM🌙69°1%8 mph
10 PM🌙69°2%7 mph
11 PM☁️68°4%7 mph
12 AM☁️68°7%6 mph
1 AM☁️68°12%5 mph
2 AM☁️68°22%4 mph
3 AM☁️68°36%2 mph
4 AM🌦️66°47%3 mph
5 AM🌦️65°55%2 mph
6 AM🌦️65°61%2 mph
7 AM☁️65°65%3 mph
8 AM☁️66°66%2 mph

16-day forecast for London

Daily highs and lows, precipitation and UV.

DayConditionsHigh / LowPrecipWindUV
Tue, Aug 25☁️ Overcast77° / 61°6%11 mph5
Wed, Aug 26🌦️ Light rain81° / 65°67% · 0,1 in8 mph5
Thu, Aug 27🌦️ Light drizzle74° / 67°92% · 0,1 in11 mph5
Fri, Aug 28🌦️ Drizzle71° / 61°62% · 0,1 in15 mph5
Sat, Aug 29🌦️ Light rain71° / 61°60% · 0,2 in15 mph5
Sun, Aug 30🌦️ Light drizzle72° / 60°70% · 0,0 in12 mph3
Mon, Aug 31🌦️ Light drizzle69° / 60°36% · 0,2 in14 mph5
Tue, Sep 1☁️ Overcast69° / 54°25%7 mph4
Wed, Sep 2🌦️ Light drizzle71° / 56°47% · 0,0 in8 mph5
Thu, Sep 3🌦️ Light drizzle72° / 57°30% · 0,0 in10 mph4
Fri, Sep 4☁️ Overcast73° / 64°31%10 mph4
Sat, Sep 5🌤️ Mainly clear81° / 61°30%9 mph3
Sun, Sep 6🌦️ Light showers65° / 58°16% · 0,5 in10 mph4
Mon, Sep 7☁️ Overcast66° / 54°25%8 mph4
Tue, Sep 8☁️ Overcast65° / 52°10 mph4
Wed, Sep 9☀️ Clear sky-- / ----4

Climate in London month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January45°36°3,5 in★★★☆☆
February50°41°3,3 in★★★☆☆
March54°41°1,6 in★★★★
April61°45°1,3 in★★★★
May68°51°1,8 in★★★★
June73°56°2,0 in★★★★★
July76°60°2,2 in★★★★
August74°58°1,0 in★★★★★
September69°54°3,8 in★★★★
October61°49°3,1 in★★★★
November52°43°3,0 in★★★☆☆
December49°42°2,5 in★★★☆☆

Climate type: Temperate. Source: Open-Meteo archive (ERA5).

Weather map for London

Animated model layers. Pick a layer to load it.

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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Air quality and pollen in London

39
Good
Air quality is satisfactory for everyone.
PM2.57.7 µg/m³
PM1017 µg/m³
Ozone64 µg/m³
NO₂14.4 µg/m³
UV index1.6 · Low
Airborne hazeLight haze

Pollen today

AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone

Pollen is modelled for Europe only; other regions show no values.

Air quality: Open-Meteo (CAMS). US AQI scale.

Sun, twilight and moon

Sunrise6:02 AM
Sunset8:02 PM
Daylight14h 0m
Solar noon1:02 PM
Golden hour (am)6:02 AM - 7:02 AM
Golden hour (pm)7:02 PM - 8:02 PM
Blue hour (am)5:32 AM - 6:02 AM
Blue hour (pm)8:02 PM - 8:32 PM
Moon phase🌔 Waxing gibbous · 90%
Moonrise7:05 PM
Moonset2:35 AM

Golden and blue hour are the standard photographic approximation around sunrise and sunset.

Best time to visit London

Go in May, June, July and August. These months score highest on comfortable temperatures, low rainfall and useful daylight.

Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.

January★★★☆☆
February★★★☆☆
March★★★★
April★★★★
May★★★★
June★★★★★
July★★★★
August★★★★★
September★★★★
October★★★★
November★★★☆☆
December★★★☆☆

Weather by attraction in London

3 attractions mapped in this atlas

Weather by airport in London

1 airports mapped in this atlas

Weather by district in London

7 districts and neighborhoods mapped in this atlas

Explore London

Every topic we hold for this place, and the same topic for the places around it.

Weather for related places

Frequently asked questions

Where is London?

London is a city in Greater London. Its coordinates are 51.5074, -0.1278. It lies in Europe.

What is the weather like in London right now?

It is currently 65°F (18°C) with clear sky. Humidity is 70% and wind is 9 mph.

When is the best time to visit London?

May, June, July and August offer the most comfortable conditions in London, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.

What time zone is London in?

London observes Europe/London (UTC+01:00). The local time is 10:33 AM.

How many people live in London?

London has a population of approximately 8.9 million.

What is the nearest airport to London?

The closest airports are London Heathrow Airport (LHR), 14 mi away, London Gatwick Airport (LGW), 25 mi away and Paris Charles de Gaulle Airport (CDG), 209 mi away.

What are the top things to do in London?

Popular options include Big Ben and the Houses of Parliament, British Museum, Tower of London, River Thames, Stonehenge, Avebury and Associated Sites and Stonehenge.

What places are in London?

London covers 11 places in this atlas, including Big Ben and the Houses of Parliament, British Museum, London Heathrow Airport, Tower of London, Camden and Greenwich.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
MethodScores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown.

Last updated August 25, 2026 at 10:33 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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