North Powder, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Powder, a city in Union County, Oregon.
Today
53°F
Mostly Cloudy
Mostly cloudy. High near 53, with temperatures falling to around 47 in the afternoon. South wind 2 to 13 mph, with gusts as high as 22 mph.
7-day forecast for North Powder
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Mostly Cloudy | 2 to 13 mph S | 3% |
| Tonight | 22°F | Mostly Cloudy | 2 mph NW | 1% |
| Wednesday | 56°F | Sunny | 1 mph N | 0% |
| Wednesday Night | 25°F | Mostly Cloudy then Chance Snow Showers | 0 mph | 32% |
| Thursday | 53°F | Chance Snow Showers then Partly Sunny | 2 mph N | 32% |
| Thursday Night | 21°F | Partly Cloudy | 1 mph E | 3% |
| Friday | 53°F | Partly Sunny | 1 to 7 mph SE | 7% |
| Friday Night | 25°F | Mostly Cloudy | 1 to 5 mph SE | 1% |
| Saturday | 58°F | Mostly Sunny | 1 to 23 mph SE | 1% |
| Saturday Night | 28°F | Mostly Cloudy | 7 to 17 mph SE | 4% |
| Sunday | 57°F | Partly Sunny | 2 to 7 mph SE | 11% |
| Sunday Night | 26°F | Mostly Cloudy | 2 mph NE | 11% |
| Monday | 58°F | Partly Sunny | 0 to 3 mph SE | 7% |
| Monday Night | 26°F | Mostly Cloudy | 2 mph SE | 11% |
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 Nov 3, 2026.