Summer temperatures · Wyoming
How hot does Cheyenne get in summer?
Cheyenne right now
36°FMist
- Today45°F / 38°FClouds
- Tomorrow55°F / 37°FClear skies
- Monday59°F / 34°FClear skies
Mysterious, allegedly.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical summer, June to August, Cheyenne averages highs around 81°F and lows around 53°F.
About 15 days a year reach 90°F or hotter, and 100°F doesn’t show up in a typical year. About 71 days a year get to 80°F or warmer. That makes it the 14th coolest summer of the 129 US cities we track.
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The hottest high in the forecast for the next 48 hours is about 55°F.
Cheyenne averages summer highs around 81°F and doesn’t reach 100°F in a typical year, which at this altitude counts as showing restraint.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 81°F |
|---|---|
| Average summer low | 53°F |
| Days a year at 80°F or warmer | 71 |
| Days a year at 90°F or hotter | 15 |
| Days a year at 100°F or hotter | none |
| Average winter high, for comparison | 40°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Helena, Montana: highs around 82°F, lows around 52°F
- Binghamton, New York: highs around 76°F, lows around 57°F
- Casper, Wyoming: highs around 85°F, lows around 50°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00024018.