Alsea, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Alsea, a community in Benton County, Oregon.
This Afternoon
58°F
Light Rain Likely
Rain likely and patchy fog. Cloudy. High near 58, with temperatures falling to around 54 in the afternoon. West southwest wind around 1 mph. Chance of precipitation is 70%.
7-day forecast for Alsea
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Light Rain Likely | 1 mph WSW | 72% |
| Tonight | 47°F | Light Rain Likely then Patchy Fog | 2 mph SW | 68% |
| Thursday | 58°F | Areas Of Fog then Partly Sunny | 0 mph | 2% |
| Thursday Night | 46°F | Mostly Cloudy | 0 mph | 2% |
| Friday | 59°F | Chance Light Rain | 2 mph S | 28% |
| Friday Night | 48°F | Chance Light Rain then Mostly Cloudy | 0 mph | 28% |
| Saturday | 65°F | Partly Sunny then Chance Light Rain | 2 mph SSW | 28% |
| Saturday Night | 53°F | Light Rain | 2 to 9 mph SW | 81% |
| Sunday | 57°F | Light Rain Likely then Areas Of Fog | 0 to 5 mph SW | 57% |
| Sunday Night | 46°F | Mostly Cloudy | 0 mph | 4% |
| Monday | 58°F | Partly Sunny then Slight Chance Light Rain | 1 mph N | 17% |
| Monday Night | 49°F | Chance Light Rain | 0 to 5 mph W | 35% |
| Tuesday | 60°F | Chance Showers And Thunderstorms | 6 mph S | 36% |
| Tuesday Night | 50°F | Chance Light Rain | 3 to 7 mph S | 37% |
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 Nov 5, 2026.