Fort Washakie, WY Weather & Growing Conditions
Overnight
38°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 38. West southwest wind 3 to 7 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph WSW | 17% |
| Saturday | 47°F | Slight Chance T-storms | 3 to 9 mph SW | 57% |
| Saturday Night | 32°F | Slight Chance T-storms | 1 to 5 mph WNW | 70% |
| Sunday | 45°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph NNW | 28% |
| Sunday Night | 32°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph NW | 31% |
| Monday | 48°F | Sunny | 7 mph WSW | 4% |
| Monday Night | 36°F | Mostly Clear | 7 mph WSW | 1% |
| Tuesday | 52°F | Mostly Sunny | 5 to 8 mph SW | 9% |
| Tuesday Night | 40°F | Chance Showers And Thunderstorms | 7 mph WSW | 51% |
| Wednesday | 52°F | Chance Showers And Thunderstorms | 8 mph WSW | 30% |
| Wednesday Night | 39°F | Partly Cloudy | 10 mph WSW | 6% |
| Thursday | 56°F | Sunny then Slight Chance Rain Showers | 7 to 10 mph WSW | 15% |
| Thursday Night | 41°F | Partly Cloudy | 7 to 12 mph WSW | 3% |
| Friday | 56°F | Mostly Sunny | 12 mph SW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fort Washakie, WY
Last spring frost
May 21
First fall frost
Sep 20
Growing season
119 days
Hardiness zone
5a
Explore more for Fort Washakie, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Diversion Dam, Wy (21.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.