Seaside, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seaside, a city in Clatsop County, Oregon.
This Afternoon
59°F
Mostly Sunny
Mostly sunny. High near 59, with temperatures falling to around 55 in the afternoon. South wind around 1 mph.
7-day forecast for Seaside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Mostly Sunny | 1 mph S | 3% |
| Tonight | 44°F | Mostly Clear | 0 to 3 mph SSE | 4% |
| Wednesday | 58°F | Mostly Cloudy then Light Rain | 3 to 15 mph S | 92% |
| Wednesday Night | 49°F | Light Rain | 5 to 15 mph SSW | 77% |
| Thursday | 57°F | Partly Sunny | 5 to 10 mph SSW | 11% |
| Thursday Night | 49°F | Light Rain | 7 to 15 mph S | 80% |
| Friday | 58°F | Light Rain | 9 to 16 mph S | 80% |
| Friday Night | 50°F | Chance Light Rain | 6 to 9 mph S | 44% |
| Saturday | 61°F | Chance Light Rain | 6 to 21 mph S | 53% |
| Saturday Night | 51°F | Light Rain | 17 to 25 mph SSW | 85% |
| Sunday | 57°F | Light Rain Likely | 3 to 17 mph SW | 63% |
| Sunday Night | 47°F | Chance Light Rain | 2 to 6 mph SSE | 28% |
| Monday | 57°F | Chance Light Rain | 6 to 16 mph SSE | 52% |
| Monday Night | 50°F | Light Rain Likely | 16 to 21 mph S | 72% |
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 Nov 4, 2026.