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

50°F

Areas Of Fog

Areas of fog. Partly cloudy, with a low around 50. Wind around 0 mph.

7-day forecast for North Plains

When	Temp	Forecast	Wind	Precip
Overnight	50°F	Areas Of Fog	0 mph	0%
Saturday	81°F	Areas Of Fog then Mostly Sunny	2 mph N	0%
Saturday Night	51°F	Mostly Clear then Patchy Fog	2 mph NNW	0%
Sunday	83°F	Patchy Fog then Sunny	1 to 6 mph NNW	0%
Sunday Night	52°F	Mostly Clear	1 to 6 mph NNW	0%
Monday	77°F	Mostly Sunny	0 to 7 mph NNW	0%
Monday Night	50°F	Partly Cloudy	0 to 7 mph NNW	0%
Tuesday	74°F	Mostly Sunny	0 to 6 mph NNW	0%
Tuesday Night	48°F	Partly Cloudy	0 to 6 mph NNW	0%
Wednesday	73°F	Patchy Fog then Partly Sunny	2 mph N	0%
Wednesday Night	49°F	Mostly Cloudy	2 mph NNW	2%
Thursday	71°F	Partly Sunny	1 to 6 mph NNW	11%
Thursday Night	49°F	Mostly Cloudy	2 to 6 mph NNW	11%
Friday	69°F	Mostly Sunny	1 to 6 mph NNW	9%

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

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

All Oregon locations ›

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 Sep 19, 2026.