Seaside, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seaside, a city in Clatsop County, Oregon.
Overnight
57°F
Patchy Smoke
Patchy smoke. Clear, with a low around 57. North northeast wind around 6 mph.
7-day forecast for Seaside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Patchy Smoke | 6 mph NNE | 0% |
| Tuesday | 76°F | Patchy Smoke | 6 to 13 mph N | 0% |
| Tuesday Night | 58°F | Mostly Clear then Patchy Smoke | 3 to 12 mph N | 0% |
| Wednesday | 75°F | Patchy Smoke | 3 to 10 mph N | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 0 to 8 mph NNW | 0% |
| Thursday | 69°F | Mostly Sunny | 0 to 7 mph NNW | 0% |
| Thursday Night | 56°F | Partly Cloudy | 1 to 6 mph NNW | 0% |
| Friday | 68°F | Mostly Sunny | 1 to 9 mph NNW | 0% |
| Friday Night | 56°F | Partly Cloudy | 5 to 9 mph NNW | 0% |
| Saturday | 65°F | Mostly Sunny | 5 to 12 mph NNW | 1% |
| Saturday Night | 56°F | Mostly Cloudy | 6 to 12 mph NNW | 1% |
| Sunday | 64°F | Partly Sunny | 6 to 12 mph NNW | 1% |
| Sunday Night | 56°F | Mostly Cloudy | 6 to 12 mph NNW | 1% |
| Monday | 64°F | Partly Sunny | 6 to 10 mph NNW | 1% |
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 Aug 4, 2026.