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CheckWeather UK›Eastleigh
Forecast confidence: High · models disagree by 1°C

Eastleigh weather

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Rain,rain likely tomorrow

Met Office, the European and the American model agree on a high near 16° in Eastleigh today. Tomorrow: light drizzle, around 13°, with a 100% chance of rain.

16°8°
13°8°
16°9°
16°10°
15°8°
14°8°
Todaymodels agreeTomorrowsplit ±2°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Met OfficeUKMO model
12°
Heavy drizzle
Feels 9° · Wind 14 mph · Humidity 93%
EuropeanECMWF
12°
Rain
Feels 8° · Wind 19 mph · Humidity 92%
AmericanNOAA GFS
12°
Drizzle
Feels 7° · Wind 21 mph · Humidity 90%

Latest for Eastleigh: Met Office (UKMO model): 12° Heavy drizzle · European (ECMWF): 12° Rain · American (NOAA GFS): 12° Drizzle.

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Eastleigh 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…

Eastleigh weather in numbers

measured normals and 10 years of recorded weather

Eastleigh swings 19°C across the year, from 21°C highs in August to 2°C lows in January, and October is usually the wettest month in a year that brings about 812 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, 27 frost nights, and rain on 142 days.

Warmest month
August
21°C average high
Coldest month
January
2°C average low
Wettest month
October
812 mm a year
Comfortable
4 months
May, June, July and August
Residents
54,000
share this forecast
Most accurate here
European
96/100 CheckWeather Score
Warm days
15 days
a year at 25°C or above
Frost nights
27 nights
a year below 0°C
Rain days
142 days
a year with 1 mm or more

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

where the models agree, and where they split
Today
Rain
16° 8°
models agree
Tomorrow
Light drizzle
13° 8°
±2°
Mon
Light rain
16° 9°
models agree
Tue
Light rain
16° 10°
models agree
Wed
Cloudy
15° 8°
models agree
Thu
Cloudy
14° 8°
models agree
Fri
Light drizzle
15° 9°
models agree
Sat
Light rain
14° 6°
models agree
Sun
Clear
12° 6°
±3°
Mon
Cloudy
12° 5°
±3°
Tue
Cloudy
12° 7°
±4°
Wed
Cloudy
10° 4°
models agree
Thu
Cloudy
9° 2°
models agree
Fri
Light drizzle
10° 3°
models agree

Eastleigh, England is at its warmest in Aug (average highs near 21°C) and coldest in Jan (lows around 2°C), with roughly 812 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Eastleigh 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.

Eastleigh 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
20°
13°
Aug
21°
13°
Sep
18°
10°
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 Eastleigh has changed since 1995

Eastleigh sits in the same roughly 50 km square of NASA's reanalysis as Southampton. That square ran 0.6°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Southampton page.

Which forecast is most accurate in Eastleigh?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
96
/100rank #1
96±0.2°C98±0.5 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
Met Office logo
Met Office
86
/100rank #2
89±0.6°C94±1.8 mph7687% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
84
/100rank #3
86±0.8°C92±2.4 mph7687% 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 16°models agree100% to 100% chance
Tomorrow±2°13° to 15°±5%95% to 100% chance
Mon±1°16° to 17°±21%79% to 100% chance
Tue±1°16° to 16°±25%75% to 100% chance
Wed±1°15° 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 Eastleigh

today, local time
Sunrise
07:43
Sunset
17:54
Daylight
10h 11m

Common questions

What's the weather in Eastleigh today?
Saturday 24 October: Met Office, the European and the American model agree on a high near 16° in Eastleigh today. Tomorrow: light drizzle, around 13°, with a 100% chance of rain. The forecast on this page refreshes live.
Will it rain in Eastleigh today or tomorrow?
Rain is likely in Eastleigh on Sunday 25 October: every model gives at least 95% (Met Office 100%, European 95%, 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 Eastleigh?
Over the last 30 days, the European model has been the most accurate for Eastleigh (CheckWeather Score 96/100), ahead of the Met Office at 86. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Eastleigh?
August is typically the warmest month in Eastleigh, with average highs around 21°C.
How cold does Eastleigh get?
The coldest month in Eastleigh is January, when overnight lows average about 2°C.
How much rain does Eastleigh get?
Eastleigh sees roughly 812 mm of precipitation a year, with October usually the wettest month.

Nearby

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