Silverton, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Silverton, a town in San Juan County, Colorado.
This Afternoon
47°F
Sunny
Sunny, with a high near 47. South southwest wind 0 to 5 mph.
7-day forecast for Silverton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Sunny | 0 to 5 mph SSW | 0% |
| Tonight | 21°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Wednesday | 42°F | Snow Showers Likely | 5 to 10 mph SSW | 63% |
| Wednesday Night | 18°F | Chance Snow Showers then Mostly Cloudy | 0 to 5 mph N | 46% |
| Thursday | 46°F | Sunny | 0 to 5 mph S | 1% |
| Thursday Night | 19°F | Partly Cloudy | 0 mph | 0% |
| Friday | 43°F | Mostly Sunny | 0 to 5 mph NNW | 8% |
| Friday Night | 17°F | Mostly Clear | 5 mph NNE | 8% |
| Saturday | 48°F | Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 22°F | Clear | 0 to 5 mph ENE | 0% |
| Sunday | 52°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 26°F | Mostly Clear | 0 to 5 mph NNW | 1% |
| Monday | 52°F | Mostly Sunny | 0 to 5 mph NW | 6% |
| Monday Night | 26°F | Mostly Cloudy | 0 to 5 mph SE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Silverton (37.811, -107.665). Updated through the day.
Growing snapshot for Silverton
Growing season
40 days
Hardiness zone
5a
More local growing data for Silverton: nearby ZIP 81433 weather · frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Silverton, Co (7.6 mi from Silverton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.