Grand Junction, CO Weather & Growing Conditions
Overnight
57°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. East wind around 5 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Showers And Thunderstorms Likely | 5 mph E | 70% |
| Saturday | 79°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 63% |
| Saturday Night | 54°F | Slight Chance Rain Showers then Mostly Clear | 0 to 5 mph SSW | 16% |
| Sunday | 77°F | Sunny | 0 to 5 mph ENE | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Monday | 80°F | Mostly Sunny | 0 to 5 mph ENE | 0% |
| Monday Night | 56°F | Partly Cloudy | 0 to 10 mph SSE | 5% |
| Tuesday | 80°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 10 mph SSW | 43% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SSE | 55% |
| Wednesday | 77°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 mph | 37% |
| Wednesday Night | 55°F | Partly Cloudy | 0 to 5 mph SSE | 5% |
| Thursday | 80°F | Mostly Sunny | 0 to 5 mph E | 9% |
| Thursday Night | 57°F | Partly Cloudy then Slight Chance Rain Showers | 0 mph | 20% |
| Friday | 79°F | Chance Rain Showers | 0 to 5 mph E | 36% |
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 (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.