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Weather in Berwyn, IL · National Weather Service + NOAA

Berwyn is snow country

Berwyn has chilly, snowy winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 18°, and about 42 inches of snow falls in a normal winter. Normal November highs come to 49°, and lows to 33°.

Winter 35°/20°Spring 59°/39°Summer 82°/62°Fall 62°/44°
Right now
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Sunrise 7:25 am · sunset 5:44 pm

Getting the latest forecast from the National Weather Service…

What stands out about Berwyn’s weather

Read from 30 years of NOAA records. Each one opens the full story on the Climate page.

Climate →
Snow countryAbout 42 inches a winter, more than 2,826 of 2,880 Illinois towns.The mildest winters aroundMilder January nights than all 5 towns around it.A long growing season201 frost-free days, from Apr 11 to Oct 31.
A normal year

Where today sits in Berwyn’s year

Typical highs and lows month by month, from 30 years of NOAA records.

Full climate →
Winter
35° / 20°
12 days with an inch or more of snow
Spring
59° / 39°
Last frost around Apr 11
Summer
82° / 62°
20 days reach 90° in a normal year
Fall now
62° / 44°
First frost around Oct 31
Pastthe usual first frost (Oct 31). Last frost next spring: Apr 11
Best months to be outside
MayJunJulAugSepOct
Highs of 62–84° and lows of 40° or more
How much snow does Berwyn get?About 42 inches a winter.When is it wettest?May, with 4.5 inches.Is it warmer than it used to be?+1.4° vs. the 20th century.

Weather talk

Road reports, first frosts and storm memories from neighbors in Berwyn.

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Forecast, conditions and alerts: National Weather Service. Climate: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Temperatures and rainfall come from NOAA’s gridded normals for Berwyn itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Oak Brook 2w, IL (9 mi, snow) and Chicago Midway Airport, IL (4 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.