Cheyenne, WY Weather & Growing Conditions
Overnight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Partly Cloudy | 5 to 10 mph W | 13% |
| Saturday | 65°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph SW | 29% |
| Saturday Night | 42°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 25% |
| Sunday | 61°F | Partly Sunny then Showers And Thunderstorms Likely | 10 mph WNW | 58% |
| Sunday Night | 40°F | Partly Cloudy | 5 to 10 mph WNW | 7% |
| Monday | 63°F | Sunny | 5 to 10 mph SSW | 3% |
| Monday Night | 43°F | Partly Cloudy | 5 to 10 mph S | 8% |
| Tuesday | 67°F | Mostly Sunny | 5 to 10 mph S | 13% |
| Tuesday Night | 46°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph SSW | 33% |
| Wednesday | 69°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 32% |
| Wednesday Night | 47°F | Mostly Cloudy | 5 mph WSW | 10% |
| Thursday | 69°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph ENE | 15% |
| Thursday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph S | 16% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph SSW | 14% |
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 Sep 19, 2026.