London Heathrow Airport Weather Forecast
London Heathrow Airport weather: 55°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
London Heathrow Airport is an airport in London. London Heathrow Airport (LHR) is a commercial airport.
Right now it is 55°F (13°C) in London Heathrow Airport with clear. It feels like 51°F. Today runs from 54°F to 70°F. Chance of precipitation is 7%. Sightseeing conditions score 9.1/10 - excellent - go now.
The best time to visit London Heathrow Airport 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 77°F, while January is the coldest with lows near 36°F.
The closest major airport is London Gatwick Airport (LGW), about 25 mi away. Nearby highlights include River Thames, Big Ben and the Houses of Parliament, British Museum and Tower of London.
In plain terms. Today is slightly cooler than average for August. The forecast high of 70°F is 3.8°F below the 74°F typical for this month. The best window to be outside is roughly 3 PM to 6 PM, when temperature, rain chance and wind line up best. stargazing is the strongest bet in London Heathrow Airport today at 9.8/10. 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 Heathrow Airport right now
Source: Open-Meteo. Updated 10:16 PM, Aug 23 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for London Heathrow Airport
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☁️ Overcast | 70° / 54° | 7% | 10 mph | 4 |
| Sun, Aug 23 | ☁️ Overcast | 73° / 56° | 0% | 10 mph | 4 |
| Mon, Aug 24 | ☁️ Overcast | 71° / 59° | 8% | 15 mph | 5 |
| Tue, Aug 25 | 🌦️ Light drizzle | 71° / 63° | 24% · 0,1 in | 10 mph | 2 |
| Wed, Aug 26 | ⛈️ Thunderstorm | 78° / 63° | 41% · 0,1 in | 10 mph | 3 |
| Thu, Aug 27 | 🌧️ Showers | 75° / 64° | 76% · 0,2 in | 9 mph | 4 |
| Fri, Aug 28 | 🌦️ Drizzle | 72° / 59° | 82% · 0,3 in | 9 mph | 4 |
| Sat, Aug 29 | 🌦️ Light showers | 68° / 57° | 49% · 0,4 in | 14 mph | 4 |
| Sun, Aug 30 | 🌦️ Light drizzle | 69° / 57° | 63% · 0,0 in | 9 mph | 4 |
| Mon, Aug 31 | ☁️ Overcast | 70° / 55° | 51% | 3 mph | 4 |
| Tue, Sep 1 | 🌦️ Light drizzle | 70° / 60° | 28% · 0,1 in | 4 mph | 5 |
| Wed, Sep 2 | 🌦️ Light drizzle | 72° / 57° | 37% · 0,0 in | 5 mph | 4 |
| Thu, Sep 3 | 🌦️ Light drizzle | 70° / 56° | 37% · 0,1 in | 5 mph | 3 |
| Fri, Sep 4 | 🌦️ Light drizzle | 71° / 57° | 27% · 0,1 in | 11 mph | 4 |
| Sat, Sep 5 | ☀️ Clear sky | -- / -- | — | -- | 5 |
| Sun, Sep 6 | ☀️ Clear sky | -- / -- | — | -- | — |
Climate in London Heathrow Airport month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 45° | 36° | 3,7 in | ★★☆☆☆ |
| February | 50° | 40° | 3,5 in | ★★★☆☆ |
| March | 54° | 40° | 1,9 in | ★★★☆☆ |
| April | 61° | 44° | 1,1 in | ★★★★☆ |
| May | 67° | 51° | 2,0 in | ★★★★☆ |
| June | 73° | 56° | 1,9 in | ★★★★★ |
| July | 77° | 59° | 2,2 in | ★★★★☆ |
| August | 74° | 57° | 1,1 in | ★★★★★ |
| September | 68° | 54° | 3,7 in | ★★★★☆ |
| October | 60° | 49° | 3,3 in | ★★★★☆ |
| November | 52° | 42° | 3,2 in | ★★★☆☆ |
| December | 49° | 42° | 2,7 in | ★★★☆☆ |
Climate type: Temperate. Source: Open-Meteo archive (ERA5).
Weather map for London Heathrow Airport
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in London Heathrow Airport
Pollen today
Pollen is modelled for Europe only; other regions show no values.
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit London Heathrow Airport
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.
Explore London Heathrow Airport
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 Heathrow Airport?
London Heathrow Airport is an airport in London. Its coordinates are 51.47, -0.4543. It lies in Europe.
What is the weather like in London Heathrow Airport right now?
It is currently 55°F (13°C) with clear. Humidity is 76% and wind is 6 mph.
When is the best time to visit London Heathrow Airport?
May, June, July and August offer the most comfortable conditions in London Heathrow Airport, which has a temperate climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is London Heathrow Airport in?
London Heathrow Airport observes Europe/London (UTC+01:00). The local time is 10:16 PM.
What is the nearest airport to London Heathrow Airport?
The closest airports are London Gatwick Airport (LGW), 25 mi away, Paris Charles de Gaulle Airport (CDG), 216 mi away and Paris Orly Airport (ORY), 227 mi away.
What are the top things to do in London Heathrow Airport?
Popular options include River Thames, Big Ben and the Houses of Parliament, British Museum, Tower of London, Stonehenge and Stonehenge, Avebury and Associated Sites.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (airports) - 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 23, 2026 at 10:16 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
