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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.