Collbran, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Collbran, a town in Mesa County, Colorado.
Tonight
49°F
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A chance of showers and thunderstorms before midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 60%.
7-day forecast for Collbran
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph E | 58% |
| Saturday | 73°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 69% |
| Saturday Night | 46°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph E | 28% |
| Sunday | 72°F | Sunny | 0 to 10 mph SW | 1% |
| Sunday Night | 45°F | Mostly Clear | 5 mph S | 0% |
| Monday | 77°F | Sunny | 5 to 10 mph SSW | 0% |
| Monday Night | 48°F | Partly Cloudy | 0 to 10 mph SSW | 5% |
| Tuesday | 76°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph SSW | 37% |
| Tuesday Night | 49°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 52% |
| Wednesday | 74°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 29% |
| Wednesday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph S | 11% |
| Thursday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 17% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 27% |
| Friday | 75°F | Chance Rain Showers | 0 to 5 mph S | 33% |
Forecast source: National Weather Service (api.weather.gov) for Collbran (39.240, -107.964). Updated through the day.
Growing snapshot for Collbran
Growing season
79 days
Hardiness zone
5b
More local growing data for Collbran: nearby ZIP 81646 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bonham Rsvr, Co (5.7 mi from Collbran). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.