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CheckWeather UK›Harwich
Forecast confidence: High · models disagree by 2°C

Harwich weather

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Rain,rain likely tomorrow

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

15°6°
14°9°
16°8°
16°10°
15°8°
13°7°
Todaymodels agreeTomorrowsplit ±4°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±4°
Met OfficeUKMO model
15°
Rain
Today 15°·Low 7°·Rain 100%
EuropeanECMWF
15°
Rain
Today 15°·Low 6°·Rain 100%
AmericanNOAA GFS
16°
Rain
Today 16°·Low 6°·Rain 100%
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Harwich weather warnings

Met Office yellow, amber and red warnings for East of England

Checking the Met Office for warnings in force for East of England…

Harwich weather in numbers

measured normals and 10 years of recorded weather

Harwich swings 19°C across the year, from 21°C highs in July to 2°C lows in February, and October is usually the wettest month in a year that brings about 586 mm of precipitation. Over 10 years of recorded weather it averages 7 days a year at 25°C or above, 17 frost nights, and rain on 132 days.

Warmest month
July
21°C average high
Coldest month
February
2°C average low
Wettest month
October
586 mm a year
Comfortable
4 months
June, July, August and September
Residents
21,000
share this forecast
Most accurate here
European
91/100 CheckWeather Score
Warm days
7 days
a year at 25°C or above
Frost nights
17 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 Harwich’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 Harwich and nearby towns.Live rain radar →
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Harwich 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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Harwich 10-day forecast, out to 14 days

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

Harwich, England is at its warmest in Jul (average highs near 21°C) and coldest in Feb (lows around 2°C), with roughly 586 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Harwich 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.

Harwich climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
8°
3°
Feb
8°
2°
Mar
9°
4°
Apr
11°
5°
May
15°
9°
Jun
19°
11°
Jul
21°
14°
Aug
21°
14°
Sep
18°
12°
Oct
15°
9°
Nov
11°
6°
Dec
8°
3°

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

How the weather around Harwich has changed since 1995

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

Which forecast is most accurate in Harwich?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
96±0.2°C97±1.0 mph8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
91
/100rank #2
91±0.5°C95±1.6 mph8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
Met Office logo
Met Office
87
/100rank #3
92±0.4°C96±1.3 mph7687% hitMet Office (United Kingdom)Exeter, United Kingdom

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±2°15° to 16°models agree100% to 100% chance
Tomorrow±4°12° to 16°±17%83% to 100% chance
Mon±1°15° to 16°±13%87% to 100% chance
Tue±2°15° to 17°±63%37% to 100% chance
Wed±1°15° to 15°±8%0% to 8% 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 Harwich

today, local time
Sunrise
07:35
Sunset
17:41
Daylight
10h 6m

Common questions

What's the weather in Harwich today?
Saturday 24 October: Met Office, the European and the American model agree on a high near 15° in Harwich today. Tomorrow: drizzle, around 14°, with a 100% chance of rain. The forecast on this page refreshes live.
Will it rain in Harwich today or tomorrow?
Rain is likely in Harwich on Sunday 25 October: every model gives at least 83% (Met Office 100%, European 83%, 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 Harwich?
Over the last 30 days, the European model has been the most accurate for Harwich (CheckWeather Score 91/100), ahead of the American at 91. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Harwich?
July is typically the warmest month in Harwich, with average highs around 21°C.
How cold does Harwich get?
The coldest month in Harwich is February, when overnight lows average about 2°C.
How much rain does Harwich get?
Harwich sees roughly 586 mm of precipitation a year, with October usually the wettest month.

Nearby

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