Harman US

Seneca, OR Weather & Growing Conditions

Today
51°F
Sunny
Sunny. High near 51, with temperatures falling to around 45 in the afternoon. West wind 0 to 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 51°F Sunny 0 to 3 mph W 1%
Tonight 30°F Mostly Cloudy then Slight Chance Rain And Snow Showers 2 mph W 17%
Thursday 45°F Slight Chance Rain And Snow Showers then Mostly Sunny 0 to 3 mph NW 17%
Thursday Night 26°F Mostly Clear 0 to 3 mph SE 0%
Friday 52°F Partly Sunny 3 mph S 0%
Friday Night 30°F Partly Cloudy 1 to 5 mph S 0%
Saturday 56°F Mostly Sunny 5 to 9 mph SE 0%
Saturday Night 32°F Mostly Cloudy 5 to 8 mph SE 1%
Sunday 53°F Partly Sunny 1 to 5 mph SW 2%
Sunday Night 30°F Mostly Cloudy 0 to 3 mph E 1%
Monday 53°F Partly Sunny 5 mph S 4%
Monday Night 31°F Mostly Cloudy 2 mph S 13%
Tuesday 54°F Mostly Sunny 2 to 6 mph S 13%
Tuesday Night 33°F Partly Cloudy then Slight Chance Rain Showers 2 to 8 mph S 17%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Seneca, OR

Growing season
24 days
Hardiness zone
6b

Explore more for Seneca, OR: full frost dates · planting calendar · Oregon frost dates

Climate data from the nearest NOAA station, Seneca, Or (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.