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CheckWeather USRock Island

Rock Island weather

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The weather map: all three models at once

NWS, American, European side by side around Rock Island and nearby towns.Live rain radar →
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Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split

Rock Island, IL is at its warmest in Jun (average highs near 84°F) and coldest in Jan (lows around 20°F), with roughly 32 in of precipitation across the year. Below, compare what NWS, American, European forecast for Rock Island 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.

Rock Island climate by month

average daytime high and overnight low across a typical year
Jan
32°
20°
Feb
45°
25°
Mar
50°
33°
Apr
62°
42°
May
76°
54°
Jun
84°
64°
Jul
84°
66°
Aug
83°
65°
Sep
79°
60°
Oct
66°
49°
Nov
50°
36°
Dec
40°
28°

Which forecast is most accurate in Rock Island?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
96
/100rank #1
96±0.4°F97±0.8 mph9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #2
84±1.6°F94±1.8 mph5374% 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.

Common questions

What's the weather in Rock Island today?
On this page we show what NWS, American, European each forecast for Rock Island 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 Rock Island today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Rock Island 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 Rock Island?
Over the last 30 days, the European model has been the most accurate for Rock Island (CheckWeather Score 96/100), ahead of the American at 76. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Rock Island?
June is typically the warmest month in Rock Island, with average highs around 84°F.
How cold does Rock Island get?
The coldest month in Rock Island is January, when overnight lows average about 20°F.
How much rain does Rock Island get?
Rock Island sees roughly 32 in of precipitation a year, with March usually the wettest month.

Nearby

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