County in England

Greater London Weather Forecast

Greater London weather: 61°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 61°F now🕔 2:41 PM local📅 Best: May, June, July and August👥 8.9 million

Air quality and pollen in Greater London

24
Good
Air quality is satisfactory for everyone.
PM2.53.5 µg/m³
PM106.6 µg/m³
Ozone76 µg/m³
NO₂5.4 µg/m³
UV index1.5 · Low
Airborne hazeClear air

Pollen today

AlderNone
BirchNone
GrassLow
MugwortNone
OliveNone
RagweedNone

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

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

Health and safety today

Skin and UVNo protection needed for most skin types.
GeneralConditions are comfortable for most people, including children and older adults, with normal clothing.

Next 24 hours

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

10 AM☁️62°0%6 mph
11 AM☁️63°0%6 mph
12 PM☁️65°1%4 mph
1 PM☁️66°2%5 mph
2 PM68°5%5 mph
3 PM69°8%6 mph
4 PM☁️69°14%9 mph
5 PM☁️68°25%8 mph
6 PM🌦️67°39%6 mph
7 PM🌦️66°45%8 mph
8 PM☁️64°39%10 mph
9 PM☁️62°25%9 mph
10 PM🌙60°14%10 mph
11 PM☁️60°8%7 mph
12 AM☁️59°3%8 mph
1 AM☁️59°0%7 mph
2 AM☁️58°0%7 mph
3 AM☁️57°0%6 mph
4 AM☁️56°0%6 mph
5 AM🌙56°1%6 mph
6 AM🌙55°2%6 mph
7 AM☀️55°2%6 mph
8 AM☀️56°2%7 mph
9 AM☀️59°1%7 mph

See the Greater London forecast by time range

Greater London weather - more answers

Explore Greater 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 Greater London?

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

What is the weather like in Greater London right now?

It is currently 61°F (16°C) with overcast. Humidity is 69% and wind is 5 mph.

When is the best time to visit Greater London?

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

What time zone is Greater London in?

Greater London observes Europe/London (UTC+01:00). The local time is 2:41 PM.

How many people live in Greater London?

Greater London has a population of approximately 8.9 million.

What is the nearest airport to Greater 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 Greater London?

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

What places are in Greater London?

Greater London covers 2 places in this atlas, including London and River Thames.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (uk-regions) - 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 21, 2026 at 2:41 PM 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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