Harman US

Siletz, OR Weather & Growing Conditions

Overnight
48°F
Areas Of Fog
Areas of fog. Mostly cloudy, with a low around 48. Wind around 0 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 48°F Areas Of Fog 0 mph 0%
Saturday 71°F Areas Of Fog then Partly Sunny 0 to 6 mph NW 0%
Saturday Night 49°F Areas Of Fog 0 to 5 mph NW 0%
Sunday 70°F Areas Of Fog then Partly Sunny 0 to 8 mph NW 0%
Sunday Night 49°F Mostly Cloudy then Patchy Fog 1 to 7 mph NNW 0%
Monday 70°F Patchy Fog then Partly Sunny 1 to 9 mph NNW 0%
Monday Night 48°F Partly Cloudy then Patchy Fog 1 to 9 mph NNW 0%
Tuesday 67°F Patchy Fog then Mostly Sunny 1 to 9 mph NNW 0%
Tuesday Night 46°F Areas Of Fog 0 to 9 mph NNW 0%
Wednesday 67°F Patchy Fog then Partly Sunny 0 to 6 mph NNW 0%
Wednesday Night 48°F Mostly Cloudy then Patchy Fog 0 to 6 mph NNW 2%
Thursday 67°F Partly Sunny then Slight Chance Light Rain 0 to 8 mph NNW 15%
Thursday Night 47°F Slight Chance Light Rain then Mostly Cloudy 1 to 8 mph NNW 15%
Friday 65°F Mostly Sunny 1 to 8 mph NNW 10%

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 (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.