NWS, American, European side by side around Evanston and nearby towns.Live rain radar →
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Next 14 hours
consensus of the three models
7-day forecast
where the models agree, and where they split
Evanston, IL is at its warmest in Jul (average highs near 80°F) and coldest in Jan (lows around 23°F), with roughly 40 in of precipitation across the year. Below, compare what NWS, American, European forecast for Evanston right now, and see exactly where they disagree.
Evanston climate by month
average daytime high and overnight low across a typical year
Jan
34°
23°
Feb
43°
27°
Mar
46°
32°
Apr
58°
41°
May
68°
50°
Jun
77°
60°
Jul
80°
65°
Aug
79°
65°
Sep
75°
61°
Oct
64°
49°
Nov
50°
38°
Dec
40°
29°
Common questions
What's the weather in Evanston today?
On this page we show what NWS, American, European each forecast for Evanston 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 Evanston today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Evanston 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 Evanston?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Evanston 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 Evanston?
Jul is typically the warmest month in Evanston, with average highs around 80°F.
How cold does Evanston get?
The coldest month in Evanston is Jan, when overnight lows average about 23°F.
How much rain does Evanston get?
Evanston sees roughly 40 in of precipitation a year, with Jul usually the wettest month.
The forecasts Americans check
The two biggest apps keep their model a secret, so we can't show their numbers, only link you to them. The National Weather Service is public, so its data sits right in the comparison above.