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Silverton, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Silverton, a city in Marion County, Oregon.

Today
79°F
Mostly Sunny
Mostly sunny, with a high near 79. North northeast wind 2 to 6 mph.

7-day forecast for Silverton

WhenTempForecastWindPrecip
Today 79°F Mostly Sunny 2 to 6 mph NNE 0%
Tonight 54°F Mostly Clear 0 to 3 mph NE 0%
Monday 76°F Partly Sunny 1 to 5 mph N 0%
Monday Night 52°F Partly Cloudy 5 mph N 0%
Tuesday 73°F Mostly Sunny 5 mph N 0%
Tuesday Night 50°F Partly Cloudy 3 mph N 0%
Wednesday 71°F Mostly Sunny 2 to 6 mph NNE 0%
Wednesday Night 50°F Partly Cloudy 6 mph N 1%
Thursday 70°F Partly Sunny then Slight Chance Light Rain 6 mph N 19%
Thursday Night 51°F Chance Light Rain 1 to 5 mph N 42%
Friday 65°F Chance Light Rain 5 to 8 mph SSW 42%
Friday Night 48°F Slight Chance Light Rain then Mostly Cloudy 7 mph SSW 24%
Saturday 66°F Partly Sunny 5 to 9 mph NE 8%
Saturday Night 46°F Partly Cloudy 3 to 9 mph NE 5%

Forecast source: National Weather Service (api.weather.gov) for Silverton (45.003, -122.781). Updated through the day.

Growing snapshot for Silverton

Last spring frost
Mar 28
First fall frost
Nov 10
Growing season
227 days
Hardiness zone
8b

More local growing data for Silverton: nearby ZIP 97373 weather · frost dates · planting calendar · Oregon frost dates

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Climate data from the nearest NOAA station, Silverton, Or (3.6 mi from Silverton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.