Powder River, WY Weather & Growing Conditions
Today
76°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 76. East wind 7 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Areas Of Smoke | 7 to 13 mph E | 0% |
| Tonight | 50°F | Areas Of Smoke | 3 to 20 mph E | 2% |
| Wednesday | 83°F | Sunny | 3 to 14 mph WSW | 0% |
| Wednesday Night | 54°F | Mostly Clear | 5 to 12 mph ENE | 0% |
| Thursday | 88°F | Sunny | 5 to 13 mph W | 0% |
| Thursday Night | 58°F | Mostly Clear | 5 to 9 mph ENE | 0% |
| Friday | 93°F | Sunny | 5 to 15 mph WSW | 0% |
| Friday Night | 61°F | Mostly Clear | 10 mph W | 0% |
| Saturday | 93°F | Sunny | 9 to 17 mph W | 0% |
| Saturday Night | 61°F | Mostly Clear | 7 to 12 mph NE | 0% |
| Sunday | 93°F | Sunny | 8 to 17 mph W | 2% |
| Sunday Night | 61°F | Partly Cloudy | 9 to 16 mph NNE | 3% |
| Monday | 92°F | Sunny | 8 to 14 mph SW | 1% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 13 mph NE | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Powder River, WY
Last spring frost
May 30
First fall frost
Sep 22
Growing season
115 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 Rvr (School), Wy (13.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.