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Weather in Fairview Heights, IL · National Weather Service + NOAA

Fairview Heights has milder winters than most of Illinois

Fairview Heights has chilly winters and warm summers. A typical July afternoon reaches 88°, a January night drops to 23°, and about 11 inches of snow falls in a normal winter. Normal November highs come to 55°, and lows to 36°.

Winter 43°/26°Spring 67°/46°Summer 87°/67°Fall 68°/47°
Right now
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Sunrise 6:29 am · sunset 4:58 pm

Getting the latest forecast from the National Weather Service…

What stands out about Fairview Heights’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 IllinoisJanuary nights average 23°, milder than 2,606 of 2,886 Illinois towns.Warmer summers than most of IllinoisJuly afternoons average 88°, warmer than 2,782 of 2,886 Illinois towns.
A normal year

Where today sits in Fairview Heights’s year

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

Full climate →
Winter
43° / 26°
5 days with an inch or more of snow
Spring
67° / 46°
Last frost around Apr 8
Summer
87° / 67°
46 days reach 90° in a normal year
Fall now
68° / 47°
First frost around Oct 26
Pastthe usual first frost (Oct 26). Last frost next spring: Apr 8
Best months to be outside
AprMaySepOct
Highs of 62–84° and lows of 40° or more
How much snow does Fairview Heights get?About 11 inches a winter.When is it wettest?May, with 5.0 inches.Is it warmer than it used to be?+1.1° vs. the 20th century.

Weather talk

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

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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 Fairview Heights itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Belleville Siu Rsch, IL (10 mi, snow) and Cahokia St Louis Airport, IL (8 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.