Dillon, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dillon, a town in Summit County, Colorado.
Tonight
35°F
Partly Cloudy
Partly cloudy, with a low around 35. East wind around 2 mph.
7-day forecast for Dillon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Partly Cloudy | 2 mph E | 10% |
| Sunday | 64°F | Sunny | 2 to 12 mph WNW | 5% |
| Sunday Night | 32°F | Mostly Clear | 1 to 8 mph SSE | 0% |
| Monday | 68°F | Sunny | 1 to 8 mph WSW | 0% |
| Monday Night | 35°F | Partly Cloudy | 6 mph S | 0% |
| Tuesday | 70°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 27% |
| Tuesday Night | 37°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 7 mph S | 35% |
| Wednesday | 67°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph WSW | 33% |
| Wednesday Night | 36°F | Mostly Cloudy | 1 to 6 mph WSW | 12% |
| Thursday | 69°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SSW | 20% |
| Thursday Night | 39°F | Chance Showers And Thunderstorms | 6 mph SE | 36% |
| Friday | 68°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph SSE | 54% |
| Friday Night | 38°F | Chance Showers And Thunderstorms | 3 mph S | 39% |
| Saturday | 69°F | Chance Showers And Thunderstorms | 2 to 7 mph WSW | 33% |
Forecast source: National Weather Service (api.weather.gov) for Dillon (39.626, -106.044). Updated through the day.
Growing snapshot for Dillon
Growing season
41 days
Hardiness zone
5a
More local growing data for Dillon: nearby ZIP 80435 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dillon 1 E, Co (6.5 mi from Dillon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.