Dillon, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dillon, a town in Summit County, Colorado.
Overnight
38°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 38. Southeast wind around 2 mph. Chance of precipitation is 30%.
7-day forecast for Dillon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Chance Rain Showers | 2 mph SE | 26% |
| Saturday | 67°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph WSW | 34% |
| Saturday Night | 35°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph S | 20% |
| Sunday | 65°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 12 mph SSW | 21% |
| Sunday Night | 32°F | Mostly Clear | 1 to 8 mph WSW | 0% |
| Monday | 68°F | Sunny | 1 to 8 mph WSW | 0% |
| Monday Night | 35°F | Partly Cloudy | 2 to 6 mph S | 0% |
| Tuesday | 69°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 44% |
| Tuesday Night | 36°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 8 mph SSE | 29% |
| Wednesday | 67°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph WSW | 41% |
| Wednesday Night | 36°F | Mostly Cloudy | 1 to 5 mph WSW | 13% |
| Thursday | 70°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 21% |
| Thursday Night | 38°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph ESE | 23% |
| Friday | 69°F | Chance Showers And Thunderstorms | 2 to 6 mph SSW | 48% |
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 19, 2026.