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