Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather UKChatham
Forecast confidence: High · models disagree by 1°C

Chatham weather

Loading live data…

Heavy drizzle,rain likely tomorrow

Met Office, the European and the American model agree on a high near 22° in Chatham today. Tomorrow looks drizzle around 19°, with a 27% chance of rain.

22°16°
19°14°
21°11°
23°14°
22°14°
19°11°
Todaymodels agreeTomorrowmodels agreeMondaysplit ±3°Tuesdaymodels agreeWednesdaysplit ±3°Thursdaysplit ±4°
Met OfficeUKMO model
22°
Heavy drizzle
Today 22°·Low 17°·Rain -
EuropeanECMWF
21°
Light drizzle
Today 21°·Low 16°·Rain 44%
AmericanNOAA GFS
23°
Cloudy
Today 23°·Low 16°·Rain 7%
CheckWeather.io on iPhoneFree. No ads, no account.

Chatham 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…

Chatham weather in numbers

measured normals and 10 years of recorded weather

Chatham swings 20°C across the year, from 22°C highs in August to 2°C lows in January, and March is usually the wettest month in a year that brings about 827 mm of precipitation. Over 10 years of recorded weather it averages 16 days a year at 25°C or above, 2 of them at 30°C or above, 23 frost nights, and rain on 132 days.

Warmest month
August
22°C average high
Coldest month
January
2°C average low
Wettest month
March
827 mm a year
Comfortable
4 months
May, June, July and August
Residents
81,000
share this forecast
Most accurate here
Met Office
88/100 CheckWeather Score
Warm days
16 days
a year at 25°C or above
Frost nights
23 nights
a year below 0°C
Rain days
132 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Chatham’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 Chatham and nearby towns.Live rain radar →
Loading the three model maps…

Chatham 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

Loading the three models…

Chatham 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Heavy drizzle
22° 16°
models agree
Tomorrow
Drizzle
19° 14°
models agree
Mon
Cloudy
21° 11°
±3°
Tue
Mostly clear
23° 14°
models agree
Wed
Cloudy
22° 14°
±3°
Thu
Cloudy
19° 11°
±4°
Fri
Cloudy
20° 13°
models agree
Sat
Light drizzle
19° 14°
±3°
Sun
Partly cloudy
21° 13°
±3°
Mon
Cloudy
24° 14°
±7°
Tue
Light rain
21° 15°
±6°
Wed
Light rain
20° 13°
±4°
Thu
Cloudy
21° 14°
models agree
Fri
Cloudy
20° 16°
±3°

Chatham, England is at its warmest in Aug (average highs near 22°C) and coldest in Jan (lows around 2°C), with roughly 827 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Chatham 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.

Chatham climate by month

average daytime high and overnight low across a typical year
Jan
Feb
10°
Mar
11°
Apr
13°
May
17°
Jun
20°
11°
Jul
21°
13°
Aug
22°
14°
Sep
20°
13°
Oct
16°
10°
Nov
10°
Dec

Which forecast is most accurate in Chatham?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
Met Office logo
Met Office ★ Best
88
/100rank #1
83±0.9°C95±1.5 mph8994% hitMet Office (United Kingdom)Exeter, United Kingdom
European logo
European
86
/100rank #2
89±0.6°C96±1.1 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #3
79±1.2°C95±1.4 mph5877% 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 1887 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
Loading ratings…
EuropeanECMWF
Loading ratings…
AmericanNOAA GFS
Loading ratings…

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°21° to 23°±37%7% to 44% chance
Tomorrow±1°19° to 20°±9%18% to 27% chance
Mon±3°20° to 23°models agree0% to 0% chance
Tue±1°23° to 23°models agree0% to 0% chance
Wed±3°20° to 23°±7%3% to 10% 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 Chatham

today, local time
Sunrise
06:39
Sunset
19:03
Daylight
12h 24m

Common questions

What's the weather in Chatham today?
On this page we show what Met Office, European, American each forecast for Chatham today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Chatham today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Chatham and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Chatham?
Over the last 30 days, the Met Office model has been the most accurate for Chatham (CheckWeather Score 88/100), ahead of the European 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 Chatham?
August is typically the warmest month in Chatham, with average highs around 22°C.
How cold does Chatham get?
The coldest month in Chatham is January, when overnight lows average about 2°C.
How much rain does Chatham get?
Chatham sees roughly 827 mm of precipitation a year, with March usually the wettest month.

Nearby

More UK weather