Cheyenne, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cheyenne, a city in Laramie County, Wyoming.
This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 43 in the afternoon. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Cheyenne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 10 to 15 mph NNW | 1% |
| Tonight | 29°F | Mostly Clear | 5 to 10 mph WNW | 1% |
| Wednesday | 51°F | Partly Sunny | 5 to 10 mph NNW | 5% |
| Wednesday Night | 31°F | Mostly Cloudy | 5 to 10 mph NNW | 1% |
| Thursday | 57°F | Mostly Sunny | 5 mph NNW | 0% |
| Thursday Night | 30°F | Partly Cloudy | 5 mph WSW | 1% |
| Friday | 57°F | Mostly Sunny | 5 to 10 mph NNW | 5% |
| Friday Night | 30°F | Mostly Clear | 5 mph WNW | 5% |
| Saturday | 58°F | Sunny | 5 to 10 mph WNW | 2% |
| Saturday Night | 31°F | Mostly Clear | 5 mph W | 1% |
| Sunday | 65°F | Sunny | 5 to 10 mph WSW | 0% |
| Sunday Night | 40°F | Mostly Clear | 5 to 10 mph W | 0% |
| Monday | 65°F | Mostly Sunny | 5 to 10 mph W | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cheyenne (41.127, -104.790). Updated through the day.
Growing snapshot for Cheyenne
Last spring frost
May 14
First fall frost
Oct 1
Growing season
139 days
Hardiness zone
5b
More local growing data for Cheyenne: nearby ZIP 82005 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cheyenne Wfo, Wy (3.2 mi from Cheyenne). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.