Grand Junction, CO Weather & Growing Conditions
Overnight
38°F
Mostly Cloudy
Mostly cloudy, with a low around 38. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Mostly Cloudy | 5 mph E | 3% |
| Wednesday | 52°F | Rain Showers Likely | 5 to 10 mph S | 69% |
| Wednesday Night | 38°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 32% |
| Thursday | 53°F | Mostly Sunny | 0 to 5 mph SSE | 0% |
| Thursday Night | 40°F | Mostly Cloudy | 0 to 5 mph W | 10% |
| Friday | 55°F | Mostly Sunny | 0 mph | 10% |
| Friday Night | 37°F | Mostly Clear | 5 mph NNE | 0% |
| Saturday | 55°F | Sunny | 0 to 5 mph ENE | 0% |
| Saturday Night | 39°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Sunday | 57°F | Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 40°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Monday | 58°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Monday Night | 41°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 58°F | Mostly Sunny | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grand Junction, CO
Last spring frost
Apr 28
First fall frost
Oct 16
Growing season
171 days
Hardiness zone
6b
Explore more for Grand Junction, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Grand Junction Walker Fld, Co (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.