Weather in London — today
Now in London
🌙
+15°
Clear
Feels like +14° · humidity 77%
Today 12.9: +23° / +14°
🕐 05:25
Wind
9 km/h
UV index
0
Air (AQI)
35 · Good
Precipitation
10%
Humidity
77%
Pressure
1023 hPa
Sunrise / sunset
06:30 / 19:21
👕 What to wear today
Comfortable — a T-shirt, a light sweater for the evening.
Weather for an activity:
Detailed weather information for London
Today, 12 September, Saturday, in London (United Kingdom): partly cloudy, moderately warm. During the day the air will warm up to +23°, at night around +14°. Due to the wind it feels like +14°. Wind up to 19 km/h. No precipitation expected, you won't need an umbrella. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sun will rise at 06:30 and set at 19:21 — daylight lasts 13 hours.Hourly weather in London
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in London for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 12.9
☁️
💧 10%
+14° +23°
Morning
☀️
+14°
Day
☁️
+23°
Evening
🌇
+21°
Night
🌙
+14°
▶
Tomorrow 13.9
🌦️
💧 82%
+18° +23°
Morning
☁️
+19°
Day
🌦️
+23°
Evening
🌇
+22°
Night
🌙
+18°
▶
Mon 14.9
🌦️
💧 14%
+18° +24°
Morning
🌦️
+20°
Day
🌦️
+24°
Evening
🌇
+23°
Night
🌙
+18°
▶
Tue 15.9
☁️
💧 20%
+17° +21°
Morning
☁️
+18°
Day
☁️
+21°
Evening
🌇
+20°
Night
🌙
+17°
▶
Wed 16.9
☁️
💧 10%
+13° +20°
Morning
☁️
+16°
Day
☁️
+20°
Evening
🌇
+18°
Night
🌙
+13°
▶
Thu 17.9
🌦️
💧 49%
+14° +20°
Morning
🌦️
+16°
Day
🌦️
+20°
Evening
🌇
+19°
Night
🌙
+14°
▶
Fri 18.9
☁️
💧 11%
+13° +18°
Morning
☁️
+15°
Day
☁️
+18°
Evening
🌇
+17°
Night
🌙
+13°
▶
Sat 19.9
☁️
💧 28%
+12° +19°
Morning
☁️
+15°
Day
☁️
+19°
Evening
🌇
+17°
Night
🌙
+12°
▶
Sun 20.9
☁️
💧 14%
+14° +22°
Morning
☁️
+17°
Day
☁️
+22°
Evening
🌇
+20°
Night
🌙
+14°
▶
Mon 21.9
🌦️
💧 16%
+15° +20°
Morning
🌦️
+17°
Day
🌦️
+20°
Evening
🌇
+19°
Night
🌙
+15°
▶
Tue 22.9
🌦️
💧 18%
+11° +16°
Morning
🌦️
+13°
Day
🌦️
+16°
Evening
🌇
+15°
Night
🌙
+11°
▶
Wed 23.9
⛅
💧 16%
+9° +16°
Morning
⛅
+12°
Day
⛅
+16°
Evening
🌇
+14°
Night
🌙
+9°
▶
Thu 24.9
☁️
💧 14%
+8° +17°
Morning
☁️
+11°
Day
☁️
+17°
Evening
🌇
+15°
Night
🌙
+8°
▶
Fri 25.9
🌤️
💧 12%
+10° +20°
Morning
🌤️
+14°
Day
🌤️
+20°
Evening
🌇
+18°
Night
🌙
+10°
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
76 / 100
comfort for running · Good
🧴 UV
0%
moderate · low
☂️ Rain
10%
unlikely · low
✨ Stars
81 / 100
evening visibility · Excellent
🧺 Laundry drying
54 / 100
will dry outside · Average
🚗 Car wash
83 / 100
no rain expected · Excellent
🌫️ Air quality
35
Good air
European AQI
PM2.5: 11PM10: 15O₃: 21NO₂: 21
The air is clean — you can walk and exercise outside.
🌅 Sun, moon and sea
Sunrise
06:30
Sunset
19:21
Golden hour
18:37
Daylight
13 h (-4 min vs yesterday)
London climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+7°
+2°
Jan
+8°
+2°
Feb
+10°
+3°
Mar
+13°
+5°
Apr
+17°
+8°
May
+20°
+11°
Jun
+22°
+13°
Jul
+21°
+13°
Aug
+19°
+11°
Sep
+15°
+8°
Oct
+10°
+5°
Nov
+8°
+3°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
| Month | Day | Night | Precipitation | What to pack and what makes the month notable (events, nuances) |
|---|---|---|---|---|
| January | +7° | +2° | 55 mm | Cold: +7° by day, down to +2° at night — dress warmly. 🧣 a warmer jacket. This is the coldest month of the year. January sales and low hotel prices. |
| February | +8° | +2° | 47 mm | Winter weather: about +8° daytime, you need a warm coat and hat. 🧣 a warmer jacket. Chinese New Year — one of the biggest celebrations outside Asia. |
| March | +10° | +3° | 43 mm | Cool weather: +10° by day, noticeably colder in the evening. 🧥 a warm jacket. Spring in the royal parks; daffodils everywhere. |
| April | +13° | +5° | 49 mm | Cool: around +13° by day, you'll need a warm layer. 🧥 a warm jacket. The London Marathon late in the month. |
| May | +17° | +8° | 52 mm | A fresh month — +17° daytime, take a jacket for walks. 🙂 a sweater for the evening. Chelsea Flower Show; parks at their best. |
| June | +20° | +11° | 56 mm | The most pleasant season: +20° by day, comfortable all day long. 🙂 a sweater for the evening. The longest daylight hours of the year — more time for everything. Trooping the Colour and Wimbledon starting late June. |
| July | +22° | +13° | 55 mm | One of the best times to visit: +22° by day, fresh nights. 🙂 a sweater for the evening. This is the hottest month of the year in London. Wimbledon finals and peak festival season. |
| August | +21° | +13° | 61 mm | Ideal weather: +21° daytime — neither hot nor cold. Frequent rain (61 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. Weather-wise, one of the three best months to visit. Notting Hill Carnival on the last weekend. |
| September | +19° | +11° | 48 mm | The most pleasant season: +19° by day, comfortable all day long. 🙂 a sweater for the evening. Open House: hundreds of buildings open their doors. |
| October | +15° | +8° | 60 mm | Cool: around +15° by day, you'll need a warm layer. 🧥 a warm jacket. Autumn in Hyde Park; museum season. |
| November | +10° | +5° | 64 mm | A fresh month — +10° daytime, take a jacket for walks. Frequent rain (64 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. Statistically the wettest month of the year. Bonfire Night on 5 November: fireworks citywide. |
| December | +8° | +3° | 58 mm | A cold month: +8° by day, long walks get uncomfortable. 🧣 a warmer jacket. The shortest daylight of the year — it gets dark early. Oxford Street Christmas lights and ice rinks. |
When to visit London
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+20…+22°
Precipitationoften
Why: comfortable +20…+22° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, April, May, September, October
Daytime air+7…+19°
Precipitationoften
Why: cool (+7…+19°) — not beach season, but great for city sights and museums.
🔴 Not the best time
❄️ Cold season: March, November, December
Daytime air+8…+10°
Precipitationoften
Why: cold and dark (+8…+10° by day, 8 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit London is June – August, and the most comfortable months are June, July, August. The toughest months to visit are March, November, December: cool and damp.
🌡️ Today vs the climate normal
Today's high
+23°
Normal for September
+19°
Deviation
4° warmer than normal
A year ago on this day
+18°
Record for this date
+25° (1959)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for London
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
Show the archive for the selected day →
Weather in cities near London
Frequently asked questions about the weather in London
What is the weather in London right now?＋
Clear, +15°, feels like +14°.
Will it rain in London today?＋
No: 10% chance, 0 mm.
When is the best time to visit London?＋
Best time to visit — June – August.
What time are sunrise and sunset in London?＋
Sunrise 06:30, sunset 19:21.
Does it snow in London in winter?＋
No, it practically never snows.
What is the climate in London by month?＋
Summers up to +22° in July, winters around +2° in January; the wettest month is November.
Is it cold in London in winter?＋
🧣 Cool. Take a warmer jacket.