NWS, American, European side by side around Elgin 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
Elgin, IL is at its warmest in Jun (average highs near 82°F) and coldest in Jan (lows around 20°F), with roughly 41 in of precipitation across the year. Below, compare what NWS, American, European forecast for Elgin right now, and see exactly where they disagree.
Elgin climate by month
average daytime high and overnight low across a typical year
Jan
32°
20°
Feb
43°
25°
Mar
48°
31°
Apr
59°
40°
May
72°
51°
Jun
82°
61°
Jul
82°
64°
Aug
82°
64°
Sep
77°
59°
Oct
64°
47°
Nov
49°
36°
Dec
39°
28°
Common questions
What's the weather in Elgin today?
On this page we show what NWS, American, European each forecast for Elgin 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 Elgin today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Elgin 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 Elgin?
No single model is always right. NWS, American, European each run their own physics, so we line all three up: when they agree the Elgin 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 Elgin?
Jun is typically the warmest month in Elgin, with average highs around 82°F.
How cold does Elgin get?
The coldest month in Elgin is Jan, when overnight lows average about 20°F.
How much rain does Elgin get?
Elgin sees roughly 41 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.