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Algonquin weather

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The weather map: all three models at once

NWS, American, European side by side around Algonquin 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

Algonquin, IL is at its warmest in Jul (average highs near 82°F) and coldest in Jan (lows around 20°F), with roughly 39 in of precipitation across the year. Below, compare what NWS, American, European forecast for Algonquin 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.

Algonquin climate by month

average daytime high and overnight low across a typical year
Jan
32°
20°
Feb
43°
25°
Mar
47°
30°
Apr
59°
40°
May
72°
50°
Jun
81°
60°
Jul
82°
64°
Aug
81°
64°
Sep
76°
59°
Oct
64°
48°
Nov
49°
36°
Dec
39°
27°

Which forecast is most accurate in Algonquin?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
88
/100rank #1
92±0.8°F97±0.9 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
80
/100rank #2
89±1.1°F95±1.7 mph5877% 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 Algonquin today?
On this page we show what NWS, American, European each forecast for Algonquin 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 Algonquin today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Algonquin 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 Algonquin?
Over the last 30 days, the European model has been the most accurate for Algonquin (CheckWeather Score 88/100), ahead of the American at 80. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Algonquin?
July is typically the warmest month in Algonquin, with average highs around 82°F.
How cold does Algonquin get?
The coldest month in Algonquin is January, when overnight lows average about 20°F.
How much rain does Algonquin get?
Algonquin sees roughly 39 in of precipitation a year, with July usually the wettest month.

Nearby

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