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Weather in Harrisburg, MO · National Weather Service + NOAA

Weather in Harrisburg

Harrisburg has chilly winters and warm summers. A typical July afternoon reaches 87°, a January night drops to 20°, and about 10 inches of snow falls in a normal winter. Normal November highs come to 53°, and lows to 34°.

Winter 41°/23°Spring 65°/44°Summer 86°/65°Fall 66°/45°
Right now
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Sunrise 7:39 am · sunset 6:06 pm

Getting the latest forecast from the National Weather Service…

A normal year

Where today sits in Harrisburg’s year

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

Full climate →
Winter
41° / 23°
4 days with an inch or more of snow
Spring
65° / 44°
Last frost around Apr 13
Summer
86° / 65°
31 days reach 90° in a normal year
Fall now
66° / 45°
First frost around Oct 22
Pastthe usual first frost (Oct 22). Last frost next spring: Apr 13
Best months to be outside
AprMayJunSepOct
Highs of 62–84° and lows of 40° or more
How much snow does Harrisburg get?About 10 inches a winter.When is it wettest?May, with 5.0 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 Harrisburg.

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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 Harrisburg itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at New Franklin 1w, MO (18 mi). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.