Greater London Weather Forecast
Greater London weather: 71°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Next 48 hours
Hour-by-hour temperature, precipitation chance and wind.
Best time to go outside today
6 PM - 9 PM · comfort score 9.1/10
The best window to be outside is roughly 6 PM to 9 PM, when temperature, rain chance and wind line up best.
Weather in Greater London right now
Wear sunglasses and use SPF 30+ if you are outside for long.
Source: Open-Meteo. Updated 12:39 PM, Aug 25 local time.
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 71°F (21°C) with clear sky. Humidity is 54% and wind is 10 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 12:39 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 data | USPOTUS Atlas dataset (uk-regions) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, 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 12:39 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
