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Northbrook weather

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The weather map: all three models at once

NWS, American, European side by side around Northbrook 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

Northbrook, IL is at its warmest in Jul (average highs near 78°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 Northbrook 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.

Northbrook climate by month

average daytime high and overnight low across a typical year
Jan
33°
23°
Feb
42°
27°
Mar
45°
32°
Apr
57°
41°
May
65°
49°
Jun
75°
60°
Jul
78°
65°
Aug
78°
65°
Sep
73°
61°
Oct
63°
50°
Nov
50°
38°
Dec
40°
30°

Which forecast is most accurate in Northbrook?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
85
/100rank #1
87±1.3°F93±2.3 mph7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
61
/100rank #2
71±2.9°F95±1.5 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 Northbrook today?
On this page we show what NWS, American, European each forecast for Northbrook 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 Northbrook today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Northbrook 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 Northbrook?
Over the last 30 days, the European model has been the most accurate for Northbrook (CheckWeather Score 85/100), ahead of the American at 61. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Northbrook?
July is typically the warmest month in Northbrook, with average highs around 78°F.
How cold does Northbrook get?
The coldest month in Northbrook is January, when overnight lows average about 23°F.
How much rain does Northbrook get?
Northbrook sees roughly 40 in of precipitation a year, with July usually the wettest month.

Nearby

DeerfieldNorthfieldGlencoeHighland ParkGlenviewWinnetkaHighwoodWheeling

More US weather

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