Grand Junction 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Grand Junction 7-day weather forecast

Stacker created the forecast for Grand Junction, Colorado using data from OpenWeather. This week's high is 86 °F on Sunday, while the low is 55 °F on Wednesday. There are expected to be 4 sunny days and rain on 1 day this week.

There are currently no weather alerts.

Monday, September 15

- High of 81 °F, low of 57 °F (16% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:55 AM, sunset at 7:23 PM
1 / 6
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Tuesday, September 16

- High of 82 °F, low of 62 °F (20% humidity)
- Overcast with a 83% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:56 AM, sunset at 7:21 PM
2 / 6
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Wednesday, September 17

- High of 79 °F, low of 55 °F (28% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (6 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:57 AM, sunset at 7:19 PM
3 / 6
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Thursday, September 18

- High of 80 °F, low of 59 °F (24% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:58 AM, sunset at 7:18 PM
4 / 6
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Friday, September 19

- High of 85 °F, low of 63 °F (16% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (14 mph wind)
- Sunrise at 6:59 AM, sunset at 7:16 PM
5 / 6
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Saturday, September 20

- High of 84 °F, low of 64 °F (32% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:00 AM, sunset at 7:14 PM
6 / 6
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Sunday, September 21

- High of 86 °F, low of 67 °F (30% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (8 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 7:01 AM, sunset at 7:13 PM
- New moon

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