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Weather in LeRoy Township, IL · National Weather Service + NOAA

LeRoy Township stays cool in summer

LeRoy Township has cold, snowy winters and pleasant summers. A typical July afternoon reaches 83°, a January night drops to 13°, and about 32 inches of snow falls in a normal winter. A typical November afternoon reaches 46°, and nights fall to 29°.

Winter 31°/16°Spring 58°/36°Summer 81°/59°Fall 60°/40°
Right now
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Sunrise 7:30 am · sunset 5:47 pm

Getting the latest forecast from the National Weather Service…

What stands out about LeRoy Township’s weather

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

Climate →
Cool summersJuly afternoons average 83°, cooler than 2,812 of 2,886 Illinois towns.Among Illinois’s coldest wintersJanuary nights average 13°, colder than 2,781 of 2,886 Illinois towns.A short growing season161 frost-free days, from Apr 30 to Oct 10.The coldest spot aroundColder January nights than all 4 towns around it.
A normal year

Where today sits in LeRoy Township’s year

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

Full climate →
Winter
31° / 16°
13 days with an inch or more of snow
Spring
58° / 36°
Last frost around Apr 30
Summer
81° / 59°
8 days reach 90° in a normal year
Fall now
60° / 40°
First frost around Oct 10
Pastthe usual first frost (Oct 10). Last frost next spring: Apr 30
Best months to be outside
MayJunJulAugSep
Highs of 62–84° and lows of 40° or more
How much snow does LeRoy Township get?About 32 inches a winter.When is it wettest?June, with 5.2 inches.Is it warmer than it used to be?+0.9° vs. the 20th century.

Weather talk

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

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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 LeRoy Township itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Harvard, IL (7 mi, snow) and Clinton WWTP, WI (9 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.