Cheyenne, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cheyenne, a city in Laramie County, Wyoming.
Today
72°F
Areas Of Smoke then Mostly Sunny
Areas of smoke before noon. Mostly sunny, with a high near 72. East southeast wind 5 to 15 mph.
7-day forecast for Cheyenne
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Areas Of Smoke then Mostly Sunny | 5 to 15 mph ESE | 2% |
| Tonight | 49°F | Partly Cloudy | 5 to 15 mph SSE | 9% |
| Wednesday | 80°F | Sunny | 5 to 10 mph E | 5% |
| Wednesday Night | 53°F | Mostly Clear | 5 to 10 mph SSW | 1% |
| Thursday | 91°F | Sunny | 5 to 10 mph WNW | 1% |
| Thursday Night | 57°F | Mostly Clear | 5 to 10 mph NW | 2% |
| Friday | 94°F | Sunny | 5 to 10 mph NNW | 0% |
| Friday Night | 60°F | Mostly Clear | 5 to 10 mph S | 0% |
| Saturday | 96°F | Sunny | 5 to 10 mph NW | 1% |
| Saturday Night | 61°F | Partly Cloudy | 5 to 10 mph WNW | 1% |
| Sunday | 95°F | Sunny | 5 to 10 mph WSW | 7% |
| Sunday Night | 62°F | Mostly Cloudy | 5 to 10 mph WSW | 4% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph N | 25% |
| Monday Night | 60°F | Mostly Cloudy | 5 to 10 mph WNW | 14% |
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 Aug 4, 2026.