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Forecast confidence: High · models disagree by 1°C

Sandown weather

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Rain,rain likely tomorrow

Met Office, the European and the American model agree on a high near 16° in Sandown today. Tomorrow: drizzle, around 15°, with a 100% chance of rain.

16°9°
15°11°
16°11°
16°12°
15°11°
14°10°
Todaymodels agreeTomorrowsplit ±3°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Met OfficeUKMO model
16°
Rain
Today 16°·Low 9°·Rain 100%
EuropeanECMWF
16°
Rain
Today 16°·Low 9°·Rain 100%
AmericanNOAA GFS
16°
Showers
Today 16°·Low 9°·Rain 100%
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Sandown 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…

Sandown weather in numbers

measured normals and 10 years of recorded weather

Sandown swings 15°C across the year, from 19°C highs in August to 4°C lows in January, and October is usually the wettest month in a year that brings about 759 mm of precipitation. Over 10 years of recorded weather it averages 4 days a year at 25°C or above, 9 frost nights, and rain on 143 days.

Warmest month
August
19°C average high
Coldest month
January
4°C average low
Wettest month
October
759 mm a year
Comfortable
4 months
June, July, August and September
Residents
20,000
share this forecast
Most accurate here
European
94/100 CheckWeather Score
Warm days
4 days
a year at 25°C or above
Frost nights
9 nights
a year below 0°C
Rain days
143 days
a year with 1 mm or more

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

where the models agree, and where they split
Today
Rain
16° 9°
models agree
Tomorrow
Drizzle
15° 11°
±3°
Mon
Heavy drizzle
16° 11°
models agree
Tue
Light rain
16° 12°
models agree
Wed
Cloudy
15° 11°
models agree
Thu
Cloudy
14° 10°
models agree
Fri
Light drizzle
15° 11°
models agree
Sat
Drizzle
14° 8°
models agree
Sun
Clear
12° 8°
±2°
Mon
Partly cloudy
12° 8°
±3°
Tue
Cloudy
12° 8°
±4°
Wed
Mostly clear
11° 6°
±3°
Thu
Cloudy
9° 4°
models agree
Fri
Light drizzle
11° 5°
models agree

Sandown, England is at its warmest in Aug (average highs near 19°C) and coldest in Jan (lows around 4°C), with roughly 759 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Sandown 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.

Sandown climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
8°
4°
Feb
8°
4°
Mar
9°
5°
Apr
11°
6°
May
15°
9°
Jun
18°
12°
Jul
18°
14°
Aug
19°
14°
Sep
18°
13°
Oct
14°
10°
Nov
11°
7°
Dec
9°
6°

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

How the weather around Sandown has changed since 1995

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

Which forecast is most accurate in Sandown?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
94
/100rank #1
96±0.2°C96±1.3 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
Met Office logo
Met Office
92
/100rank #2
91±0.5°C88±3.7 mph9597% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
88
/100rank #3
89±0.6°C95±1.5 mph8290% 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°16° to 16°models agree100% to 100% chance
Tomorrow±3°13° to 16°models agree100% to 100% chance
Mon±1°16° to 17°±20%80% to 100% chance
Tuemodels agree16° to 16°±49%51% to 100% chance
Wed±1°15° 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 Sandown

today, local time
Sunrise
07:42
Sunset
17:54
Daylight
10h 12m

Common questions

What's the weather in Sandown today?
Saturday 24 October: Met Office, the European and the American model agree on a high near 16° in Sandown today. Tomorrow: drizzle, around 15°, with a 100% chance of rain. The forecast on this page refreshes live.
Will it rain in Sandown today or tomorrow?
Rain is likely in Sandown 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 Sandown?
Over the last 30 days, the European model has been the most accurate for Sandown (CheckWeather Score 94/100), ahead of the Met Office at 92. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Sandown?
August is typically the warmest month in Sandown, with average highs around 19°C.
How cold does Sandown get?
The coldest month in Sandown is January, when overnight lows average about 4°C.
How much rain does Sandown get?
Sandown sees roughly 759 mm of precipitation a year, with October usually the wettest month.

Nearby

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