Harman US

Vernonia, OR Weather & Growing Conditions

Today
94°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 94. North northeast wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 94°F Areas Of Smoke 6 mph NNE 0%
Tonight 60°F Smoke 6 mph N 0%
Wednesday 98°F Areas Of Smoke 5 mph N 0%
Wednesday Night 60°F Clear 3 mph NW 0%
Thursday 96°F Sunny 3 mph NW 0%
Thursday Night 56°F Mostly Clear 5 mph NW 0%
Friday 90°F Sunny 2 to 6 mph NW 0%
Friday Night 55°F Mostly Clear 7 mph NW 0%
Saturday 83°F Sunny 7 mph NW 0%
Saturday Night 52°F Mostly Clear 9 mph NW 0%
Sunday 77°F Mostly Sunny 7 mph NW 0%
Sunday Night 51°F Mostly Clear 8 mph NW 0%
Monday 78°F Mostly Sunny 6 mph NW 0%
Monday Night 51°F Mostly Clear 7 mph NW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Vernonia, OR

Last spring frost
May 8
First fall frost
Oct 1
Growing season
144 days
Hardiness zone
8b

Explore more for Vernonia, OR: full frost dates · planting calendar · Oregon frost dates

Climate data from the nearest NOAA station, Vernonia #2, Or (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.