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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

WhenTempForecastWindPrecip
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

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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.