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Forecast confidence: High · models disagree by 1°C

East Grinstead weather

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Rain,rain likely tomorrow

Met Office, the European and the American model agree on a high near 15° in East Grinstead today. Tomorrow: drizzle, around 14°, with a 100% chance of rain.

15°6°
14°7°
15°8°
15°9°
14°7°
14°8°
Todaymodels agreeTomorrowsplit ±3°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Met OfficeUKMO model
15°
Rain
Today 15°·Low 6°·Rain 100%
EuropeanECMWF
15°
Rain
Today 15°·Low 6°·Rain 100%
AmericanNOAA GFS
15°
Rain
Today 15°·Low 6°·Rain 100%
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East Grinstead weather warnings

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

Checking the Met Office for warnings in force for London & South East England…

East Grinstead weather in numbers

measured normals and 10 years of recorded weather

East Grinstead swings 18°C across the year, from 20°C highs in June to 2°C lows in January, and October is usually the wettest month in a year that brings about 816 mm of precipitation. Over 10 years of recorded weather it averages 15 days a year at 25°C or above, 2 of them at 30°C or above, 30 frost nights, and rain on 140 days.

Warmest month
June
20°C average high
Coldest month
January
2°C average low
Wettest month
October
816 mm a year
Comfortable
4 months
May, June, July and August
Residents
27,000
share this forecast
Most accurate here
European
95/100 CheckWeather Score
Warm days
15 days
a year at 25°C or above
Frost nights
30 nights
a year below 0°C
Rain days
140 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for East Grinstead’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 East Grinstead and nearby towns.Live rain radar →
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East Grinstead 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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East Grinstead 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Rain
15° 6°
models agree
Tomorrow
Drizzle
14° 7°
±3°
Mon
Heavy drizzle
15° 8°
models agree
Tue
Light rain
15° 9°
models agree
Wed
Cloudy
14° 7°
models agree
Thu
Cloudy
14° 8°
models agree
Fri
Cloudy
14° 8°
models agree
Sat
Heavy drizzle
12° 7°
models agree
Sun
Light drizzle
11° 5°
models agree
Mon
Partly cloudy
11° 4°
±3°
Tue
Clear
12° 6°
±5°
Wed
Clear
10° 4°
models agree
Thu
Cloudy
8° 2°
models agree
Fri
Light drizzle
9° 2°
models agree

East Grinstead, England is at its warmest in Jun (average highs near 20°C) and coldest in Jan (lows around 2°C), with roughly 816 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for East Grinstead 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.

East Grinstead climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
8°
2°
Feb
8°
2°
Mar
9°
4°
Apr
13°
5°
May
16°
8°
Jun
20°
10°
Jul
20°
13°
Aug
20°
12°
Sep
18°
11°
Oct
14°
8°
Nov
10°
5°
Dec
7°
3°

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

How the weather around East Grinstead has changed since 1995

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

Which forecast is most accurate in East Grinstead?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
95
/100rank #1
93±0.4°C97±0.9 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
Met Office logo
Met Office
87
/100rank #2
93±0.4°C94±1.8 mph7687% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
84
/100rank #3
90±0.5°C93±2.0 mph7184% hitNOAA / NCEP (United States)College Park, Maryland, USA

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 15°models agree100% to 100% chance
Tomorrow±3°12° to 15°models agree100% to 100% chance
Mon±1°15° to 16°±39%61% to 100% chance
Tue±1°15° to 16°±55%45% to 100% chance
Wed±1°14° to 15°±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 East Grinstead

today, local time
Sunrise
07:38
Sunset
17:48
Daylight
10h 10m

Common questions

What's the weather in East Grinstead today?
Saturday 24 October: Met Office, the European and the American model agree on a high near 15° in East Grinstead today. Tomorrow: drizzle, around 14°, with a 100% chance of rain. The forecast on this page refreshes live.
Will it rain in East Grinstead today or tomorrow?
Rain is likely in East Grinstead on Sunday 25 October: every model gives at least 100% (Met Office 100%, European 100%, American 100%). 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 East Grinstead?
Over the last 30 days, the European model has been the most accurate for East Grinstead (CheckWeather Score 95/100), ahead of the Met Office at 87. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in East Grinstead?
June is typically the warmest month in East Grinstead, with average highs around 20°C.
How cold does East Grinstead get?
The coldest month in East Grinstead is January, when overnight lows average about 2°C.
How much rain does East Grinstead get?
East Grinstead sees roughly 816 mm of precipitation a year, with October usually the wettest month.

Nearby

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