Powder River, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Powder River, a community in Natrona County, Wyoming.
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 for Powder River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Areas Of Smoke | 6 to 9 mph ENE | 0% |
| Tonight | 49°F | Areas Of Smoke | 3 to 16 mph NE | 2% |
| Wednesday | 85°F | Sunny | 2 to 14 mph WSW | 0% |
| Wednesday Night | 52°F | Mostly Clear | 5 to 12 mph NNW | 0% |
| Thursday | 90°F | Sunny | 5 to 14 mph W | 0% |
| Thursday Night | 56°F | Mostly Clear | 3 to 10 mph N | 0% |
| Friday | 95°F | Sunny | 3 to 15 mph W | 0% |
| Friday Night | 60°F | Mostly Clear | 8 to 12 mph WNW | 0% |
| Saturday | 95°F | Sunny | 9 to 17 mph W | 0% |
| Saturday Night | 59°F | Mostly Clear | 6 to 12 mph NNW | 0% |
| Sunday | 95°F | Sunny | 7 to 17 mph W | 2% |
| Sunday Night | 60°F | Partly Cloudy | 8 to 14 mph N | 4% |
| Monday | 94°F | Sunny | 7 to 13 mph W | 1% |
| Monday Night | 59°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 12 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Powder River (43.052, -106.991). Updated through the day.
Growing snapshot for Powder River
Last spring frost
May 23
First fall frost
Sep 20
Growing season
121 days
Hardiness zone
5a
More local growing data for Powder River: nearby ZIP 82648 weather · frost dates · planting calendar · Wyoming frost dates
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Midwest
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Vista West
Climate data from the nearest NOAA station, Powder River #2, Wy (5.7 mi from Powder River). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.