Grand Junction, CO Weather & Growing Conditions
Today
100°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 100. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Patchy Smoke | 5 to 15 mph SSE | 0% |
| Tonight | 66°F | Patchy Smoke then Mostly Clear | 5 to 15 mph NNW | 1% |
| Wednesday | 98°F | Sunny then Patchy Smoke | 5 to 10 mph S | 0% |
| Wednesday Night | 66°F | Mostly Clear | 5 to 10 mph N | 0% |
| Thursday | 99°F | Sunny | 0 to 10 mph S | 0% |
| Thursday Night | 68°F | Clear | 5 to 10 mph NNE | 0% |
| Friday | 101°F | Sunny | 0 to 10 mph SSE | 0% |
| Friday Night | 69°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 102°F | Sunny | 0 to 10 mph SSE | 0% |
| Saturday Night | 72°F | Mostly Clear | 5 to 10 mph N | 0% |
| Sunday | 100°F | Sunny | 5 to 10 mph SSW | 2% |
| Sunday Night | 72°F | Partly Cloudy | 5 to 10 mph NE | 4% |
| Monday | 99°F | Sunny | 5 to 10 mph S | 7% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph N | 22% |
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 Aug 4, 2026.