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Weather in Cheyenne, WY · National Weather Service + NOAA

Cheyenne has milder winters than most of Wyoming

Cheyenne has chilly, snowy winters and warm summers, with very little rain. A typical July afternoon reaches 85°, a January night drops to 16°, and about 65 inches of snow falls in a normal winter. A typical November afternoon reaches 48°, and nights fall to 22°.

Winter 41°/16°Spring 57°/30°Summer 82°/50°Fall 61°/32°
Right now
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Sunrise 6:31 am · sunset 4:53 pm

Getting the latest forecast from the National Weather Service…

What stands out about Cheyenne’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 WyomingJanuary nights average 16°, milder than 193 of 205 Wyoming towns.Warming faster than mostThe last 30 years averaged 2.1° warmer than the 1900s, a bigger shift than 96% of U.S. towns.A dry climateJust 15 inches of rain and melted snow a year, less than 94% of U.S. towns.The snowiest town aroundMore snow than any of the 4 towns around it with snow records.
A normal year

Where today sits in Cheyenne’s year

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

Full climate →
Winter
41° / 16°
19 days with an inch or more of snow
Spring
57° / 30°
Last frost around May 12
Summer
82° / 50°
15 days reach 90° in a normal year
Fall now
61° / 32°
First frost around Oct 1
Pastthe usual first frost (Oct 1). Last frost next spring: May 12
Best months to be outside
JunAugSep
Highs of 62–84° and lows of 40° or more
How much snow does Cheyenne get?About 65 inches a winter.When is it wettest?May, with 2.5 inches.Is it warmer than it used to be?+2.1° vs. the 20th century.

Weather talk

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

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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 Cheyenne itself (about a 3-mile square). Snow, frost dates and day counts: the NOAA station at Cheyenne 2.0 E, WY (3 mi, snow) and Cheyenne, WY (2 mi, frost, heat and degree days). Sunrise and sunset are calculated from the town’s position. Normals are 30-year averages, not a forecast.