Powder River, WY Weather & Growing Conditions
Today
77°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 77. East northeast wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Areas Of Smoke | 6 to 9 mph ENE | 0% |
| Tonight | 49°F | Areas Of Smoke | 5 to 16 mph ENE | 3% |
| Wednesday | 85°F | Sunny | 3 to 14 mph WSW | 0% |
| Wednesday Night | 52°F | Mostly Clear | 5 to 12 mph NNW | 0% |
| Thursday | 91°F | Sunny | 5 to 14 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 5 to 12 mph NNW | 0% |
| Friday | 95°F | Sunny | 5 to 15 mph WSW | 0% |
| Friday Night | 59°F | Mostly Clear | 12 mph WNW | 0% |
| Saturday | 95°F | Sunny | 9 to 17 mph W | 0% |
| Saturday Night | 60°F | Mostly Clear | 7 to 12 mph NNW | 0% |
| Sunday | 95°F | Sunny | 8 to 17 mph W | 1% |
| Sunday Night | 60°F | Partly Cloudy | 8 to 14 mph N | 4% |
| Monday | 94°F | Sunny | 7 to 13 mph WNW | 1% |
| Monday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 13 mph NNE | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Powder River, WY
Last spring frost
May 23
First fall frost
Sep 20
Growing season
121 days
Hardiness zone
5a
Explore more for Powder River, WY: full frost dates · planting calendar · Wyoming frost dates
Climate data from the nearest NOAA station, Powder River #2, Wy (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.