Harman US

Siletz, OR Weather & Growing Conditions

Tonight
48°F
Areas Of Fog
Areas of fog. Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. North wind around 1 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 48°F Areas Of Fog 1 mph N 0%
Saturday 68°F Areas Of Fog then Partly Sunny 0 to 8 mph NNW 0%
Saturday Night 50°F Mostly Cloudy 2 to 7 mph NNW 0%
Sunday 68°F Mostly Sunny 2 to 12 mph NNW 0%
Sunday Night 50°F Partly Cloudy 5 to 12 mph N 0%
Monday 68°F Mostly Sunny 5 to 13 mph NNW 0%
Monday Night 50°F Partly Cloudy 3 to 13 mph N 0%
Tuesday 66°F Mostly Sunny 3 to 12 mph N 0%
Tuesday Night 47°F Partly Cloudy 0 to 12 mph N 0%
Wednesday 67°F Mostly Sunny 0 to 7 mph NNW 0%
Wednesday Night 50°F Partly Cloudy 0 to 7 mph N 2%
Thursday 69°F Partly Sunny 0 to 6 mph NNW 10%
Thursday Night 50°F Slight Chance Light Rain 1 to 6 mph NW 24%
Friday 65°F Slight Chance Light Rain then Partly Sunny 2 to 9 mph W 18%

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

Growing snapshot for Siletz, OR

Last spring frost
Mar 12
First fall frost
Dec 10
Growing season
271 days
Hardiness zone
9a

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

Climate data from the nearest NOAA station, Newport 3N, Or (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.