Warrenton, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warrenton, a city in Clatsop County, Oregon.
Overnight
58°F
Patchy Smoke
Patchy smoke. Clear, with a low around 58. North wind around 6 mph.
7-day forecast for Warrenton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Patchy Smoke | 6 mph N | 0% |
| Tuesday | 79°F | Patchy Smoke | 6 to 14 mph N | 0% |
| Tuesday Night | 58°F | Mostly Clear | 3 to 13 mph NNW | 0% |
| Wednesday | 78°F | Patchy Smoke | 3 to 12 mph NNW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 1 to 10 mph NW | 0% |
| Thursday | 73°F | Mostly Sunny | 1 to 8 mph NW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 2 to 8 mph NW | 0% |
| Friday | 71°F | Mostly Sunny | 2 to 10 mph NW | 0% |
| Friday Night | 56°F | Partly Cloudy | 5 to 10 mph NNW | 0% |
| Saturday | 69°F | Mostly Sunny | 5 to 13 mph NNW | 0% |
| Saturday Night | 56°F | Mostly Cloudy | 6 to 13 mph NW | 1% |
| Sunday | 67°F | Partly Sunny | 6 to 12 mph NW | 1% |
| Sunday Night | 56°F | Mostly Cloudy | 5 to 12 mph NNW | 2% |
| Monday | 67°F | Partly Sunny | 5 to 10 mph NNW | 2% |
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 Aug 4, 2026.