Summer temperatures · Colorado
How hot does Grand Junction get in summer?
Grand Junction right now
46°FLight rain
- Today48°F / 45°FRain
- Tomorrow52°F / 42°FClouds
- Monday55°F / 37°FClouds
Drip drop. Mood drop.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical summer, June to August, Grand Junction averages highs around 92°F and lows around 61°F.
About 68 days a year reach 90°F or hotter, and about 8 reach 100°F. About 124 days a year get to 80°F or warmer. That makes it the 51st hottest summer of the 129 US cities we track.
Last updated
The hottest high in the forecast for the next 48 hours is about 52°F.
Grand Junction reaches 90°F on about 68 days a year, but the desert nights fall to about 61°F, so even the hottest day gets a cool-down lap.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 92°F |
|---|---|
| Average summer low | 61°F |
| Days a year at 80°F or warmer | 124 |
| Days a year at 90°F or hotter | 68 |
| Days a year at 100°F or hotter | 8 |
| Average winter high, for comparison | 41°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Kansas City, Missouri: highs around 87°F, lows around 66°F
- Baltimore, Maryland: highs around 87°F, lows around 65°F
- Philadelphia, Pennsylvania: highs around 86°F, lows around 67°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00023066.