North Plains, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Plains, a city in Washington County, Oregon.
Overnight
57°F
Areas Of Smoke
Areas of smoke. Clear. Low around 57, with temperatures rising to around 59 overnight. Northwest wind around 7 mph.
7-day forecast for North Plains
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Areas Of Smoke | 7 mph NW | 0% |
| Tuesday | 96°F | Areas Of Smoke | 5 to 8 mph N | 0% |
| Tuesday Night | 61°F | Smoke | 3 to 8 mph NNW | 0% |
| Wednesday | 100°F | Areas Of Smoke | 3 mph N | 0% |
| Wednesday Night | 62°F | Clear | 0 to 5 mph NNW | 0% |
| Thursday | 100°F | Sunny | 2 mph N | 0% |
| Thursday Night | 59°F | Clear | 0 to 6 mph NNW | 0% |
| Friday | 94°F | Sunny | 0 to 8 mph NNW | 0% |
| Friday Night | 57°F | Mostly Clear | 1 to 8 mph NNW | 0% |
| Saturday | 86°F | Sunny | 1 to 10 mph NNW | 0% |
| Saturday Night | 53°F | Mostly Clear | 1 to 10 mph NW | 0% |
| Sunday | 82°F | Sunny | 1 to 9 mph NNW | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 9 mph NNW | 0% |
| Monday | 82°F | Sunny | 0 to 8 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for North Plains (45.597, -122.995). Updated through the day.
Growing snapshot for North Plains
Last spring frost
Apr 16
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
8b
More local growing data for North Plains: nearby ZIP 97124 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Aloha
Banks
Beaverton
Bethany
Bull Mountain
Cedar Hills
Cedar Mill
Cherry Grove
Cornelius
Dilley
Durham
Forest Grove
Garden Home-Whitford
Gaston
Hillsboro
King City
Marlene Village
Metzger
Oak Hills
Raleigh Hills
Rockcreek
Sherwood
Tigard
Tualatin
West Haven-Sylvan
West Slope
Climate data from the nearest NOAA station, Portland-Hillsboro Ap, Or (2 mi from North Plains). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.