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Forecast confidence: High · models disagree by 1°C

Ewell weather

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Rain,rain likely tomorrow

Met Office, the European and the American model agree on a high near 16° in Ewell today. Tomorrow: light drizzle, around 14°, with a 100% chance of rain.

16°7°
14°9°
16°9°
16°10°
15°9°
14°9°
Todaymodels agreeTomorrowsplit ±3°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Met OfficeUKMO model
11°
Heavy drizzle
Feels 8° · Wind 16 mph · Humidity 93%
EuropeanECMWF
11°
Light rain
Feels 7° · Wind 20 mph · Humidity 93%
AmericanNOAA GFS
12°
Heavy drizzle
Feels 8° · Wind 17 mph · Humidity 90%

Latest for Ewell: Met Office (UKMO model): 11° Heavy drizzle · European (ECMWF): 11° Light rain · American (NOAA GFS): 12° Heavy drizzle.

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Ewell weather warnings

Met Office yellow, amber and red warnings for London & South East England

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Ewell weather in numbers

measured normals and 10 years of recorded weather

Ewell swings 20°C across the year, from 22°C highs in August to 2°C lows in January, and October is usually the wettest month in a year that brings about 697 mm of precipitation. Over 10 years of recorded weather it averages 20 days a year at 25°C or above, 3 of them at 30°C or above, 28 frost nights, and rain on 134 days.

Warmest month
August
22°C average high
Coldest month
January
2°C average low
Wettest month
October
697 mm a year
Comfortable
4 months
May, June, July and August
Residents
40,000
share this forecast
Most accurate here
European
91/100 CheckWeather Score
Warm days
20 days
a year at 25°C or above
Frost nights
28 nights
a year below 0°C
Rain days
134 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Ewell’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

Met Office, European, American side by side around Ewell and nearby towns.Live rain radar →
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Ewell hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Ewell 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Rain
16° 7°
models agree
Tomorrow
Light drizzle
14° 9°
±3°
Mon
Heavy drizzle
16° 9°
models agree
Tue
Drizzle
16° 10°
models agree
Wed
Partly cloudy
15° 9°
models agree
Thu
Cloudy
14° 9°
models agree
Fri
Cloudy
14° 9°
models agree
Sat
Heavy drizzle
13° 8°
models agree
Sun
Light drizzle
12° 6°
models agree
Mon
Cloudy
11° 6°
±4°
Tue
Partly cloudy
13° 7°
±5°
Wed
Cloudy
11° 5°
±3°
Thu
Cloudy
8° 3°
models agree
Fri
Cloudy
10° 3°
models agree

Ewell, England is at its warmest in Aug (average highs near 22°C) and coldest in Jan (lows around 2°C), with roughly 697 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Ewell right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United Kingdom before you trust any single number.

Ewell climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
8°
2°
Feb
8°
2°
Mar
10°
4°
Apr
13°
6°
May
16°
8°
Jun
20°
10°
Jul
21°
13°
Aug
22°
13°
Sep
19°
11°
Oct
14°
8°
Nov
11°
5°
Dec
8°
3°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Ewell has changed since 1995

Ewell sits in the same roughly 50 km square of NASA's reanalysis as London. That square ran 0.7°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the London page.

Which forecast is most accurate in Ewell?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
95±0.3°C97±0.9 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
89
/100rank #2
90±0.6°C97±1.0 mph8290% hitNOAA / NCEP (United States)College Park, Maryland, USA
Met Office logo
Met Office
88
/100rank #3
93±0.4°C97±0.8 mph7687% hitMet Office (United Kingdom)Exeter, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1950 cities. Lower error means a higher score. See which forecast model is most accurate in United Kingdom, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United Kingdom? Give each 1 to 5 stars.

Met OfficeUKMO model
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EuropeanECMWF
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AmericanNOAA GFS
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°15° to 16°models agree100% to 100% chance
Tomorrow±3°13° to 15°±67%33% to 100% chance
Mon±2°15° to 17°±26%74% to 100% chance
Tue±1°15° to 16°±53%47% to 100% chance
Wedmodels agree15° to 16°±30%3% to 33% chance

The models often agree on temperature and still split on rain, and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in Ewell

today, local time
Sunrise
07:40
Sunset
17:49
Daylight
10h 9m

Common questions

What's the weather in Ewell today?
Saturday 24 October: Met Office, the European and the American model agree on a high near 16° in Ewell today. Tomorrow: light drizzle, around 14°, with a 100% chance of rain. The forecast on this page refreshes live.
Will it rain in Ewell today or tomorrow?
The models split on rain in Ewell on Sunday 25 October: Met Office 33%, European 99%, American 100%. When they disagree like this, treat any single app's answer with caution. On Saturday 24 October the highest chance of rain from any model is 100%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Ewell?
Over the last 30 days, the European model has been the most accurate for Ewell (CheckWeather Score 91/100), ahead of the American at 89. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Ewell?
August is typically the warmest month in Ewell, with average highs around 22°C.
How cold does Ewell get?
The coldest month in Ewell is January, when overnight lows average about 2°C.
How much rain does Ewell get?
Ewell sees roughly 697 mm of precipitation a year, with October usually the wettest month.

Nearby

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