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
64°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 64. South southwest wind around 10 mph. Chance of precipitation is 30%.
7-day forecast for Silverton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Chance Showers And Thunderstorms | 10 mph SSW | 27% |
| Tonight | 37°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 48% |
| Saturday | 63°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 23% |
| Saturday Night | 32°F | Mostly Clear | 0 to 10 mph SSW | 5% |
| Sunday | 64°F | Sunny | 0 to 10 mph WSW | 1% |
| Sunday Night | 31°F | Mostly Clear | 0 to 10 mph E | 0% |
| Monday | 65°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Monday Night | 34°F | Partly Cloudy | 5 mph S | 5% |
| Tuesday | 62°F | Showers And Thunderstorms | 5 to 10 mph S | 76% |
| Tuesday Night | 34°F | Showers And Thunderstorms Likely | 5 to 10 mph SSE | 71% |
| Wednesday | 61°F | Showers And Thunderstorms Likely | 5 mph SW | 61% |
| Wednesday Night | 34°F | Chance Showers And Thunderstorms | 5 mph NE | 30% |
| Thursday | 63°F | Showers And Thunderstorms Likely | 5 mph S | 56% |
| Thursday Night | 35°F | Chance Showers And Thunderstorms | 5 mph S | 47% |
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 Sep 19, 2026.