Cheyenne, WY Weather & Growing Conditions
This Afternoon
67°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 67, with temperatures falling to around 63 in the afternoon. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 51% |
| Tonight | 43°F | Chance Showers And Thunderstorms | 5 mph WNW | 46% |
| Sunday | 63°F | Showers And Thunderstorms Likely | 5 to 15 mph NW | 68% |
| Sunday Night | 40°F | Mostly Clear | 5 to 15 mph WNW | 6% |
| Monday | 65°F | Sunny | 5 to 10 mph SSW | 4% |
| Monday Night | 42°F | Partly Cloudy | 5 to 10 mph S | 6% |
| Tuesday | 68°F | Mostly Sunny | 5 to 10 mph S | 7% |
| Tuesday Night | 45°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 10 mph SSW | 15% |
| Wednesday | 70°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 20% |
| Wednesday Night | 46°F | Partly Cloudy | 5 to 10 mph W | 8% |
| Thursday | 72°F | Sunny | 5 to 10 mph NNW | 6% |
| Thursday Night | 47°F | Partly Cloudy | 5 to 10 mph S | 8% |
| Friday | 70°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 20% |
| Friday Night | 48°F | Chance Rain Showers | 5 to 10 mph SSW | 30% |
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.