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Iver weather

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Iver 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…

Iver weather in numbers

measured normals and 10 years of recorded weather

Iver swings 20°C across the year, from 22°C highs in June to 2°C lows in January, and September is usually the wettest month in a year that brings about 872 mm of precipitation. Over 10 years of recorded weather it averages 20 days a year at 25°C or above, 3 of them at 30°C or above, 26 frost nights, and rain on 133 days.

Warmest month
June
22°C average high
Coldest month
January
2°C average low
Wettest month
September
872 mm a year
Comfortable
4 months
May, June, July and August
Residents
7,492
share this forecast
Most accurate here
European
98/100 CheckWeather Score
Warm days
20 days
a year at 25°C or above
Frost nights
26 nights
a year below 0°C
Rain days
133 days
a year with 1 mm or more

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

where the models agree, and where they split

Iver, England is at its warmest in Jun (average highs near 22°C) and coldest in Jan (lows around 2°C), with roughly 872 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Iver 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.

Iver climate by month

average daytime high and overnight low across a typical year
Jan
Feb
11°
Mar
11°
Apr
13°
May
18°
Jun
22°
12°
Jul
21°
13°
Aug
22°
14°
Sep
21°
13°
Oct
16°
Nov
11°
Dec
10°

Which forecast is most accurate in Iver?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
98
/100rank #1
96±0.2°C98±0.6 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
82
/100rank #2
89±0.6°C94±1.9 mph6581% hitNOAA / NCEP (United States)College Park, Maryland, USA
Met Office logo
Met Office
80
/100rank #3
91±0.5°C94±2.0 mph5877% 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 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.

Common questions

What's the weather in Iver today?
On this page we show what Met Office, European, American each forecast for Iver 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 Iver today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Met Office, European, American for Iver 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 Iver?
Over the last 30 days, the European model has been the most accurate for Iver (CheckWeather Score 98/100), ahead of the American at 82. We grade every model against the recorded weather. See the UK accuracy scoreboard for the full method.
What is the warmest month in Iver?
June is typically the warmest month in Iver, with average highs around 22°C.
How cold does Iver get?
The coldest month in Iver is January, when overnight lows average about 2°C.
How much rain does Iver get?
Iver sees roughly 872 mm of precipitation a year, with September usually the wettest month.

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