Alsea, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alsea, a community in Benton County, Oregon.
This Afternoon
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 70 in the afternoon. Northwest wind around 1 mph.
7-day forecast for Alsea
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 1 mph NW | 0% |
| Tonight | 51°F | Partly Cloudy then Patchy Fog | 1 mph NNW | 0% |
| Saturday | 79°F | Patchy Fog then Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 52°F | Partly Cloudy | 2 mph NNW | 0% |
| Sunday | 80°F | Patchy Fog then Sunny | 1 mph NNW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 1 mph NNW | 0% |
| Monday | 76°F | Patchy Fog then Mostly Sunny | 1 mph NNW | 0% |
| Monday Night | 51°F | Partly Cloudy | 1 mph NNW | 0% |
| Tuesday | 72°F | Patchy Fog then Mostly Sunny | 2 mph NNW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 2 mph NNW | 0% |
| Wednesday | 73°F | Mostly Sunny | 0 mph | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 0 mph | 1% |
| Thursday | 76°F | Mostly Sunny | 1 mph NNW | 4% |
| Thursday Night | 52°F | Slight Chance Light Rain | 1 mph NNW | 19% |
Forecast source: National Weather Service (api.weather.gov) for Alsea (44.382, -123.596). Updated through the day.
Growing snapshot for Alsea
Last spring frost
Apr 13
First fall frost
Nov 3
Growing season
202 days
Hardiness zone
8b
More local growing data for Alsea: nearby ZIP 97324 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alsea Fh (Fall Creek), Or (7.7 mi from Alsea). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.