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Forecast confidence: High · models disagree by 1°C

Northampton weather

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Cloudy,cooler tomorrow

Met Office, the European and the American model agree on a high near 22° in Northampton today. Tomorrow looks cloudy around 18°, with a 10% chance of rain.

22°15°
18°11°
22°
23°15°
21°13°
19°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaysplit ±3°Wednesdaysplit ±5°Thursdaymodels agree
Met OfficeUKMO model
19°
Mainly clear
Feels 15° · Wind 13 mph · Humidity 50%
EuropeanECMWF
17°
Partly cloudy
Feels 14° · Wind 13 mph · Humidity 66%
AmericanNOAA GFS
17°
Overcast
Feels 14° · Wind 13 mph · Humidity 65%

Latest for Northampton: Met Office (UKMO model): 19° Mainly clear · European (ECMWF): 17° Partly cloudy · American (NOAA GFS): 17° Overcast.

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Northampton weather warnings

Met Office yellow, amber and red warnings for East Midlands

Checking the Met Office for warnings in force for East Midlands…

Northampton weather in numbers

measured normals and 10 years of recorded weather

Northampton swings 19°C across the year, from 21°C highs in August to 2°C lows in January, and September is usually the wettest month in a year that brings about 841 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, 29 frost nights, and rain on 134 days.

Warmest month
August
21°C average high
Coldest month
January
2°C average low
Wettest month
September
841 mm a year
Comfortable
4 months
May, June, July and August
Residents
246,000
share this forecast
Most accurate here
European
95/100 CheckWeather Score
Warm days
16 days
a year at 25°C or above
Frost nights
29 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 Northampton’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 Northampton and nearby towns.Live rain radar →
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Northampton 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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Northampton 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
22° 15°
models agree
Tomorrow
Cloudy
18° 11°
models agree
Mon
Cloudy
22°
models agree
Tue
Cloudy
23° 15°
±3°
Wed
Cloudy
21° 13°
±5°
Thu
Cloudy
19°
models agree
Fri
Cloudy
19° 11°
±4°
Sat
Light drizzle
19° 11°
±7°
Sun
Cloudy
21° 10°
models agree
Mon
Cloudy
24° 12°
±7°
Tue
Light drizzle
19° 13°
±4°
Wed
Light drizzle
18° 11°
±4°
Thu
Cloudy
20° 12°
models agree
Fri
Light drizzle
18° 15°
±3°

Northampton, England is at its warmest in Aug (average highs near 21°C) and coldest in Jan (lows around 2°C), with roughly 841 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Northampton 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.

Northampton climate by month

average daytime high and overnight low across a typical year
Jan
Feb
10°
Mar
10°
Apr
12°
May
17°
Jun
20°
11°
Jul
20°
12°
Aug
21°
13°
Sep
20°
12°
Oct
15°
Nov
10°
Dec

Which forecast is most accurate in Northampton?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
95
/100rank #1
94±0.3°C98±0.6 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
Met Office logo
Met Office
92
/100rank #2
91±0.5°C96±1.2 mph8994% hitMet Office (United Kingdom)Exeter, United Kingdom
American logo
American
92
/100rank #3
91±0.5°C90±3.2 mph9597% 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
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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°21° to 22°±32%32% to 64% chance
Tomorrow±1°17° to 18°±6%4% to 10% chance
Mon±2°21° to 23°models agree0% to 0% chance
Tue±3°21° to 24°±4%2% to 6% chance
Wed±5°18° to 23°±21%3% to 24% 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 Northampton

today, local time
Sunrise
06:44
Sunset
19:09
Daylight
12h 25m

Common questions

What's the weather in Northampton today?
On this page we show what Met Office, European, American each forecast for Northampton 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 Northampton today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Northampton 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 Northampton?
Over the last 30 days, the European model has been the most accurate for Northampton (CheckWeather Score 95/100), 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 Northampton?
August is typically the warmest month in Northampton, with average highs around 21°C.
How cold does Northampton get?
The coldest month in Northampton is January, when overnight lows average about 2°C.
How much rain does Northampton get?
Northampton sees roughly 841 mm of precipitation a year, with September usually the wettest month.

Nearby

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