Grand Junction, CO Weather & Growing Conditions
Today
78°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms between noon and 2pm, then showers and thunderstorms likely between 2pm and 3pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Southeast wind 0 to 5 mph. Chance of precipitation is 60%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 55% |
| Tonight | 53°F | Slight Chance Rain Showers then Mostly Clear | 0 to 5 mph NE | 17% |
| Sunday | 76°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 5 mph ENE | 0% |
| Monday | 79°F | Mostly Sunny | 0 to 5 mph SSE | 0% |
| Monday Night | 55°F | Partly Cloudy | 0 to 10 mph E | 4% |
| Tuesday | 78°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SSW | 37% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SSE | 56% |
| Wednesday | 76°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 34% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 5 mph ENE | 5% |
| Thursday | 78°F | Mostly Sunny | 0 to 5 mph SSE | 8% |
| Thursday Night | 56°F | Partly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 20% |
| Friday | 78°F | Chance Rain Showers | 0 to 5 mph NNE | 35% |
| Friday Night | 56°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 36% |
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 Sep 19, 2026.