Cheyenne, WY Weather & Growing Conditions
Overnight
29°F
Partly Cloudy
Partly cloudy, with a low around 29. West northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 29°F | Partly Cloudy | 5 to 10 mph WNW | 0% |
| Wednesday | 45°F | Partly Sunny | 5 mph NNE | 9% |
| Wednesday Night | 29°F | Mostly Cloudy | 5 to 10 mph NNW | 1% |
| Thursday | 55°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Thursday Night | 31°F | Partly Cloudy | 5 to 10 mph WSW | 1% |
| Friday | 54°F | Mostly Sunny | 5 to 15 mph WNW | 7% |
| Friday Night | 30°F | Mostly Clear | 5 to 15 mph WNW | 7% |
| Saturday | 54°F | Sunny | 5 to 15 mph WNW | 2% |
| Saturday Night | 31°F | Mostly Clear | 5 to 10 mph W | 1% |
| Sunday | 62°F | Sunny | 10 to 15 mph W | 0% |
| Sunday Night | 39°F | Mostly Clear | 10 to 20 mph W | 0% |
| Monday | 62°F | Mostly Sunny | 5 to 15 mph W | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 to 15 mph WSW | 0% |
| Tuesday | 60°F | Mostly Sunny | 10 to 15 mph WNW | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cheyenne, WY
Last spring frost
May 31
First fall frost
Sep 19
Growing season
110 days
Hardiness zone
5b
Explore more for Cheyenne, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Virginia Dale 7 Ene, Co (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.