Harman US

Vernonia, OR Weather & Growing Conditions

Today
76°F
Patchy Fog then Partly Sunny
Patchy fog before 10am. Partly sunny, with a high near 76. North wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 76°F Patchy Fog then Partly Sunny 2 mph N 0%
Tonight 46°F Areas Of Fog 2 mph NNW 0%
Sunday 77°F Areas Of Fog then Mostly Sunny 0 to 3 mph N 0%
Sunday Night 46°F Patchy Fog 3 mph NW 0%
Monday 72°F Patchy Fog then Mostly Sunny 1 to 5 mph NW 0%
Monday Night 46°F Partly Cloudy then Areas Of Fog 0 to 5 mph NW 0%
Tuesday 69°F Areas Of Fog then Mostly Sunny 0 to 5 mph NNW 0%
Tuesday Night 45°F Partly Cloudy then Areas Of Fog 0 to 5 mph NNW 1%
Wednesday 69°F Areas Of Fog then Partly Sunny 2 mph NNW 1%
Wednesday Night 46°F Mostly Cloudy then Patchy Fog 2 mph NNW 1%
Thursday 66°F Partly Sunny 0 to 3 mph NNW 13%
Thursday Night 45°F Mostly Cloudy then Patchy Fog 0 to 3 mph NW 13%
Friday 65°F Patchy Fog then Mostly Sunny 0 to 5 mph NNW 10%
Friday Night 43°F Partly Cloudy then Patchy Fog 0 to 5 mph NNW 4%

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
8a

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

Climate data from the nearest NOAA station, Vernonia #2, Or (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.