Dillon, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dillon, a town in Summit County, Colorado.
Today
81°F
Patchy Smoke then Slight Chance Showers And Thunderstorms
Patchy smoke before 3pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 81, with temperatures falling to around 78 in the afternoon. South southwest wind 5 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
7-day forecast for Dillon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Smoke then Slight Chance Showers And Thunderstorms | 5 to 14 mph SSW | 15% |
| Tonight | 46°F | Patchy Smoke | 3 to 10 mph SSW | 5% |
| Wednesday | 82°F | Sunny | 2 to 12 mph WSW | 0% |
| Wednesday Night | 43°F | Mostly Clear | 2 to 10 mph WSW | 0% |
| Thursday | 83°F | Sunny | 1 to 9 mph W | 0% |
| Thursday Night | 45°F | Clear | 2 to 8 mph WSW | 0% |
| Friday | 85°F | Sunny | 1 to 7 mph WSW | 0% |
| Friday Night | 45°F | Mostly Clear | 3 to 7 mph E | 0% |
| Saturday | 85°F | Sunny | 1 to 7 mph W | 1% |
| Saturday Night | 48°F | Partly Cloudy | 2 to 6 mph ESE | 0% |
| Sunday | 85°F | Mostly Sunny | 1 to 7 mph WSW | 12% |
| Sunday Night | 49°F | Partly Cloudy | 2 to 6 mph SSE | 7% |
| Monday | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph WSW | 45% |
| Monday Night | 47°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph S | 34% |
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 Aug 4, 2026.