North Powder, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Powder, a city in Union County, Oregon.
Overnight
41°F
Areas Of Smoke
Areas of smoke. Mostly clear. Low around 41, with temperatures rising to around 44 overnight. North wind around 1 mph.
7-day forecast for North Powder
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Areas Of Smoke | 1 mph N | 0% |
| Tuesday | 85°F | Areas Of Smoke | 1 to 12 mph N | 0% |
| Tuesday Night | 46°F | Areas Of Smoke | 0 to 10 mph N | 0% |
| Wednesday | 93°F | Areas Of Smoke | 0 to 6 mph NE | 0% |
| Wednesday Night | 50°F | Patchy Smoke then Mostly Clear | 0 to 6 mph N | 0% |
| Thursday | 99°F | Sunny | 0 to 8 mph N | 0% |
| Thursday Night | 55°F | Mostly Clear | 2 to 8 mph NW | 0% |
| Friday | 97°F | Sunny | 2 to 15 mph NW | 0% |
| Friday Night | 53°F | Mostly Clear | 2 to 15 mph NW | 0% |
| Saturday | 93°F | Sunny | 2 to 16 mph NW | 0% |
| Saturday Night | 51°F | Mostly Clear | 5 to 16 mph NW | 0% |
| Sunday | 88°F | Sunny | 5 to 15 mph NW | 0% |
| Sunday Night | 48°F | Mostly Clear | 3 to 15 mph NW | 0% |
| Monday | 88°F | Sunny | 3 to 15 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for North Powder (45.030, -117.920). Updated through the day.
Growing snapshot for North Powder
Last spring frost
May 11
First fall frost
Sep 26
Growing season
136 days
Hardiness zone
6b
More local growing data for North Powder: nearby ZIP 97867 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Union, Or (10.4 mi from North Powder). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.