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CheckWeather USJerseyville

Jerseyville weather

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Jerseyville weather alerts and warnings

active National Weather Service watches, warnings and advisories

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Jerseyville weather in numbers

from 30 years of measured normals

Jerseyville swings 60°F across the year, from 86°F highs in July to 26°F lows in January, and May is usually the wettest month in a year that brings about 42 in of precipitation.

Warmest month
July
86°F average high
Coldest month
January
26°F average low
Wettest month
May
42 in a year
Below freezing
2 months
January and February
Comfortable
2 months
April and October
Residents
8,469
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The weather map: all three models at once

NWS, American, European side by side around Jerseyville and nearby towns.Live rain radar →
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Jerseyville 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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Jerseyville 10-day forecast, out to 14 days

where the models agree, and where they split

Jerseyville, Illinois (IL) is at its warmest in Jul (average highs near 86°F) and coldest in Jan (lows around 26°F), with roughly 42 in of precipitation across the year. Below, compare what NWS, American, European forecast for Jerseyville 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 States before you trust any single number.

Jerseyville climate by month

average daytime high and overnight low across a typical year
Jan
40°
26°
Feb
52°
31°
Mar
56°
37°
Apr
67°
46°
May
77°
57°
Jun
84°
64°
Jul
86°
68°
Aug
84°
67°
Sep
79°
61°
Oct
68°
50°
Nov
55°
39°
Dec
46°
33°

Which forecast is most accurate in the US?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
88±1.2°F96±1.2 mph8491% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
73
/100rank #2
82±1.8°F93±2.3 mph4972% 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 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, 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 States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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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 Jerseyville today?
On this page we show what NWS, American, European each forecast for Jerseyville 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 Jerseyville today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Jerseyville 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 Jerseyville?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Jerseyville forecast is reliable, and when they split you should expect surprises. See our tested US accuracy scoreboard for how the models compare.
What is the warmest month in Jerseyville?
July is typically the warmest month in Jerseyville, with average highs around 86°F.
How cold does Jerseyville get?
The coldest month in Jerseyville is January, when overnight lows average about 26°F.
How much rain does Jerseyville get?
Jerseyville sees roughly 42 in of precipitation a year, with May usually the wettest month.

Nearby

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