Seaside, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seaside, a city in Clatsop County, Oregon.
Tonight
51°F
Mostly Cloudy then Patchy Fog
Patchy fog after 5am. Mostly cloudy, with a low around 51. Northeast wind around 1 mph.
7-day forecast for Seaside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Cloudy then Patchy Fog | 1 mph NE | 0% |
| Saturday | 64°F | Partly Sunny | 2 to 7 mph NNE | 0% |
| Saturday Night | 52°F | Partly Cloudy | 6 mph N | 0% |
| Sunday | 64°F | Mostly Cloudy | 3 to 12 mph N | 0% |
| Sunday Night | 53°F | Mostly Cloudy | 5 to 12 mph N | 0% |
| Monday | 64°F | Partly Sunny | 3 to 10 mph N | 0% |
| Monday Night | 54°F | Mostly Cloudy | 3 to 10 mph NNW | 0% |
| Tuesday | 63°F | Partly Sunny | 3 to 9 mph NNW | 0% |
| Tuesday Night | 52°F | Mostly Cloudy | 1 to 8 mph N | 3% |
| Wednesday | 63°F | Partly Sunny | 1 to 6 mph N | 3% |
| Wednesday Night | 52°F | Mostly Cloudy | 2 to 6 mph N | 4% |
| Thursday | 62°F | Mostly Cloudy | 3 to 13 mph N | 12% |
| Thursday Night | 52°F | Slight Chance Light Rain | 5 to 13 mph N | 16% |
| Friday | 62°F | Mostly Sunny | 5 to 12 mph NNW | 10% |
Forecast source: National Weather Service (api.weather.gov) for Seaside (45.989, -123.921). Updated through the day.
Growing snapshot for Seaside
Last spring frost
Apr 2
First fall frost
Nov 12
Growing season
223 days
Hardiness zone
9a
More local growing data for Seaside: nearby ZIP 97110 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Seaside, Or (6.7 mi from Seaside). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.