Grand Junction, CO Weather & Growing Conditions
This Afternoon
75°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 75. South southwest wind around 5 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Chance Showers And Thunderstorms | 5 mph SSW | 50% |
| Tonight | 54°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph NE | 21% |
| Sunday | 75°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 10 mph NNE | 0% |
| Monday | 78°F | Sunny | 0 to 10 mph SE | 0% |
| Monday Night | 57°F | Partly Cloudy | 0 to 10 mph NE | 2% |
| Tuesday | 78°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SSE | 24% |
| Tuesday Night | 56°F | Showers And Thunderstorms Likely | 0 to 10 mph SE | 72% |
| Wednesday | 75°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 0 to 5 mph SSW | 19% |
| Wednesday Night | 56°F | Mostly Clear | 0 to 5 mph NE | 7% |
| Thursday | 77°F | Mostly Sunny | 0 to 5 mph SE | 7% |
| Thursday Night | 58°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 21% |
| Friday | 74°F | Chance Rain Showers | 0 to 5 mph SSE | 36% |
| Friday Night | 58°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 31% |
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 Sep 19, 2026.