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Glendale Heights weather

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The weather map: all three models at once

NWS, American, European side by side around Glendale Heights 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

Glendale Heights, IL is at its warmest in Jul (average highs near 82°F) and coldest in Jan (lows around 22°F), with roughly 42 in of precipitation across the year. Below, compare what NWS, American, European forecast for Glendale Heights 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.

Glendale Heights climate by month

average daytime high and overnight low across a typical year
Jan
33°
22°
Feb
44°
26°
Mar
48°
31°
Apr
60°
40°
May
71°
50°
Jun
81°
60°
Jul
82°
64°
Aug
82°
64°
Sep
77°
59°
Oct
64°
48°
Nov
50°
36°
Dec
40°
28°

Which forecast is most accurate in Glendale Heights?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
93
/100rank #1
95±0.5°F96±1.3 mph8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
66
/100rank #2
85±1.5°F95±1.6 mph2458% 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 Glendale Heights today?
On this page we show what NWS, American, European each forecast for Glendale Heights 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 Glendale Heights today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Glendale Heights 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 Glendale Heights?
Over the last 30 days, the European model has been the most accurate for Glendale Heights (CheckWeather Score 93/100), ahead of the American at 66. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Glendale Heights?
July is typically the warmest month in Glendale Heights, with average highs around 82°F.
How cold does Glendale Heights get?
The coldest month in Glendale Heights is January, when overnight lows average about 22°F.
How much rain does Glendale Heights get?
Glendale Heights sees roughly 42 in of precipitation a year, with July usually the wettest month.

Nearby

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