Dillon, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dillon, a town in Summit County, Colorado.
Today
49°F
Snow Showers Likely
Snow showers likely after 11am. Mostly cloudy. High near 49, with temperatures falling to around 36 in the afternoon. North northeast wind 2 to 6 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
7-day forecast for Dillon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 49°F | Snow Showers Likely | 2 to 6 mph NNE | 73% |
| Tonight | 20°F | Snow Showers | 1 to 5 mph N | 76% |
| Thursday | 49°F | Sunny | 0 to 3 mph S | 0% |
| Thursday Night | 22°F | Mostly Cloudy | 1 to 5 mph SSW | 3% |
| Friday | 48°F | Chance Snow Showers | 1 to 5 mph W | 28% |
| Friday Night | 19°F | Slight Chance Snow Showers then Partly Cloudy | 3 mph WNW | 24% |
| Saturday | 49°F | Sunny | 3 mph NW | 3% |
| Saturday Night | 20°F | Mostly Clear | 2 mph SW | 0% |
| Sunday | 56°F | Sunny | 5 mph W | 0% |
| Sunday Night | 24°F | Mostly Clear | 2 mph WSW | 0% |
| Monday | 58°F | Sunny | 2 mph W | 0% |
| Monday Night | 25°F | Partly Cloudy | 2 mph SSW | 1% |
| Tuesday | 55°F | Mostly Sunny | 5 mph WSW | 4% |
| Tuesday Night | 25°F | Partly Cloudy | 3 mph W | 4% |
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 Nov 4, 2026.