Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 27°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Wednesday
2nd Sep
27

16

7

9
Thursday
3rd Sep
28

16

9

8
Friday
4th Sep
29

17

8

8
Saturday
5th Sep
28

17

8

9
Sunday
6th Sep
29

17

6

2

5-day weather forecast updated at 04:01 on Wednesday 2nd September 2026 GMT

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The 5-day weather forecast for Colorado (Grand Junction) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Grand Junction weather forecast by day

Below are the detailed weather forecasts for Grand Junction for the next 5 days.

Grand Junction weather for Wednesday 2nd September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

27
°C maximum temperature
16
°C minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
25
kph wind from SE

Grand Junction weather for Thursday 3rd September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

28
°C maximum temperature
16
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
25
kph wind from SE

Grand Junction weather for Friday 4th September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-east.

29
°C maximum temperature
17
°C minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
27
kph wind from SE

Grand Junction weather for Saturday 5th September 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.

28
°C maximum temperature
17
°C minimum temperature
broken clouds
8
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from SE

Grand Junction weather for Sunday 6th September 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.