Grand Junction, CO Weather & Growing Conditions
Overnight
56°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Showers And Thunderstorms Likely | 5 to 10 mph ENE | 56% |
| Saturday | 77°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SE | 61% |
| Saturday Night | 53°F | Slight Chance Rain Showers | 0 to 5 mph NE | 17% |
| Sunday | 75°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 51°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Monday | 79°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Monday Night | 55°F | Partly Cloudy | 0 to 10 mph NE | 4% |
| Tuesday | 78°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph S | 36% |
| Tuesday Night | 54°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SSE | 57% |
| Wednesday | 76°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 33% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 5 mph E | 5% |
| Thursday | 78°F | Mostly Sunny | 0 to 5 mph S | 8% |
| Thursday Night | 56°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 20% |
| Friday | 77°F | Chance Rain Showers | 0 to 5 mph SSE | 33% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grand Junction, CO
Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
190 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 Wfo, Co (1.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.