Cheyenne, WY Weather & Growing Conditions
Today
67°F
Areas Of Smoke then Mostly Sunny
Areas of smoke before noon. Mostly sunny, with a high near 67. Southeast wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Areas Of Smoke then Mostly Sunny | 10 to 15 mph SE | 2% |
| Tonight | 46°F | Partly Cloudy | 10 to 15 mph S | 7% |
| Wednesday | 77°F | Sunny | 5 to 10 mph NNE | 6% |
| Wednesday Night | 49°F | Mostly Clear | 5 to 15 mph SSW | 1% |
| Thursday | 85°F | Sunny | 5 to 15 mph WNW | 2% |
| Thursday Night | 54°F | Mostly Clear | 5 to 15 mph NW | 1% |
| Friday | 88°F | Sunny | 5 to 10 mph NW | 0% |
| Friday Night | 58°F | Mostly Clear | 10 mph SW | 0% |
| Saturday | 90°F | Sunny | 10 to 15 mph WNW | 2% |
| Saturday Night | 60°F | Partly Cloudy | 5 to 10 mph WNW | 0% |
| Sunday | 88°F | Mostly Sunny | 10 mph W | 11% |
| Sunday Night | 60°F | Mostly Cloudy | 10 to 15 mph WSW | 7% |
| Monday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 10 to 15 mph WNW | 38% |
| Monday Night | 58°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 10 mph WSW | 19% |
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 Aug 4, 2026.