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Weather in Grantsburg, IN · National Weather Service + NOAA

Grantsburg has milder winters than most of Indiana

Grantsburg has chilly winters and warm summers, with plenty of rain. A typical July afternoon reaches 87°, a January night drops to 23°, and about 13 inches of snow falls in a normal winter. In November, a normal day reaches 56° and a normal night drops to 34°.

Winter 45°/26°Spring 67°/43°Summer 86°/63°Fall 69°/44°
Right now
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Sunrise 7:22 am · sunset 5:37 pm

Getting the latest forecast from the National Weather Service…

What stands out about Grantsburg’s weather

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

Climate →
Milder winters than most of IndianaJanuary nights average 23°, milder than 1,816 of 1,978 Indiana towns.Warmer summers than most of IndianaJuly afternoons average 87°, warmer than 1,801 of 1,978 Indiana towns.Wetter than most of Indiana50 inches of rain and melted snow a year, more than 1,945 of 1,978 Indiana towns.Barely warmer than a century agoThe last 30 years averaged 0.7° warmer than the 1900s, a smaller shift than 90% of U.S. towns.
A normal year

Where today sits in Grantsburg’s year

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

Full climate →
Winter
45° / 26°
5 days with an inch or more of snow
Spring
67° / 43°
Last frost around Apr 17
Summer
86° / 63°
31 days reach 90° in a normal year
Fall now
69° / 44°
First frost around Oct 19
Pastthe usual first frost (Oct 19). Last frost next spring: Apr 17
Best months to be outside
AprMaySepOct
Highs of 62–84° and lows of 40° or more
How much snow does Grantsburg get?About 13 inches a winter.When is it wettest?May, with 5.6 inches.Is it warmer than it used to be?+0.7° vs. the 20th century.

Weather talk

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

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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 Grantsburg itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Paoli, IN (18 mi, snow) and English, IN (1 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.