Grand Junction, CO Weather & Growing Conditions
Today
52°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 52. West northwest wind 0 to 10 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 10 mph WNW | 73% |
| Tonight | 38°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph E | 53% |
| Thursday | 54°F | Sunny | 0 to 5 mph E | 1% |
| Thursday Night | 39°F | Mostly Cloudy | 0 mph | 9% |
| Friday | 56°F | Mostly Sunny | 0 mph | 9% |
| Friday Night | 36°F | Mostly Clear | 0 to 5 mph NE | 1% |
| Saturday | 56°F | Sunny | 0 to 5 mph E | 0% |
| Saturday Night | 38°F | Mostly Clear | 0 mph | 0% |
| Sunday | 58°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 40°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Monday | 59°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Monday Night | 40°F | Partly Cloudy | 0 mph | 0% |
| Tuesday | 59°F | Mostly Sunny | 0 mph | 1% |
| Tuesday Night | 41°F | Partly Cloudy | 0 to 5 mph NNE | 2% |
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
7a
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 (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.