Harman US

Warrenton, OR Weather & Growing Conditions

This Afternoon
65°F
Mostly Sunny
Mostly sunny. High near 65, with temperatures falling to around 63 in the afternoon. Northwest wind 3 to 8 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 65°F Mostly Sunny 3 to 8 mph NW 0%
Tonight 50°F Partly Cloudy 2 to 7 mph NNW 0%
Sunday 66°F Partly Sunny 2 to 12 mph NNW 0%
Sunday Night 50°F Mostly Cloudy 3 to 10 mph NNW 1%
Monday 67°F Mostly Cloudy 2 to 10 mph NNW 0%
Monday Night 53°F Mostly Cloudy 3 to 10 mph NNW 0%
Tuesday 65°F Partly Sunny 3 to 8 mph NW 0%
Tuesday Night 50°F Patchy Fog 1 to 8 mph WSW 10%
Wednesday 64°F Patchy Fog then Partly Sunny 1 to 7 mph SW 10%
Wednesday Night 49°F Mostly Cloudy 2 to 7 mph N 6%
Thursday 64°F Partly Sunny then Slight Chance Light Rain 2 to 12 mph N 15%
Thursday Night 50°F Slight Chance Light Rain 5 to 12 mph N 22%
Friday 63°F Slight Chance Light Rain 5 to 12 mph NNW 22%
Friday Night 49°F Partly Cloudy 3 to 12 mph NNW 12%

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

Growing snapshot for Warrenton, OR

Last spring frost
Mar 30
First fall frost
Nov 18
Growing season
233 days
Hardiness zone
9a

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

Climate data from the nearest NOAA station, Ft Clatsop Natl Mem, Or (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.