Warrenton, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warrenton, a city in Clatsop County, Oregon.
Tonight
50°F
Patchy Fog
Patchy fog after 8pm. Mostly cloudy, with a low around 50. West northwest wind 1 to 5 mph.
7-day forecast for Warrenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Patchy Fog | 1 to 5 mph WNW | 0% |
| Saturday | 66°F | Patchy Fog then Mostly Cloudy | 1 to 8 mph NNW | 0% |
| Saturday Night | 51°F | Partly Cloudy | 3 to 8 mph NNW | 0% |
| Sunday | 67°F | Mostly Sunny | 3 to 13 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 3 to 13 mph NNW | 0% |
| Monday | 67°F | Partly Sunny | 2 to 12 mph NNW | 0% |
| Monday Night | 53°F | Partly Cloudy | 5 to 12 mph NNW | 1% |
| Tuesday | 65°F | Partly Sunny | 3 to 9 mph NNW | 1% |
| Tuesday Night | 51°F | Mostly Cloudy | 1 to 9 mph N | 1% |
| Wednesday | 66°F | Patchy Fog then Partly Sunny | 1 to 8 mph N | 1% |
| Wednesday Night | 51°F | Mostly Cloudy | 3 to 8 mph N | 5% |
| Thursday | 67°F | Partly Sunny then Slight Chance Light Rain | 3 to 9 mph NNE | 16% |
| Thursday Night | 53°F | Chance Light Rain | 5 to 9 mph W | 27% |
| Friday | 65°F | Slight Chance Light Rain | 5 to 12 mph WSW | 23% |
Forecast source: National Weather Service (api.weather.gov) for Warrenton (46.173, -123.930). Updated through the day.
Growing snapshot for Warrenton
Last spring frost
Mar 30
First fall frost
Nov 18
Growing season
233 days
Hardiness zone
9a
More local growing data for Warrenton: nearby ZIP 97146 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Ft Clatsop Natl Mem, Or (1.7 mi from Warrenton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.