Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 39°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Tuesday
4th Aug
39

23

14

9
Wednesday
5th Aug
37

20

14

9
Thursday
6th Aug
38

19

14

9
Friday
7th Aug
39

19

14

9
Saturday
8th Aug
39

19

12

9

5-day weather forecast updated at 04:01 on Tuesday 4th August 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 Tuesday 4th August 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.

39
°C maximum temperature
23
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
29
kph wind from W

Grand Junction weather for Wednesday 5th August 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

37
°C maximum temperature
20
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
19
kph wind from NW

Grand Junction weather for Thursday 6th August 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 38°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

38
°C maximum temperature
19
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from NW

Grand Junction weather for Friday 7th August 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 39°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

39
°C maximum temperature
19
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from SE

Grand Junction weather for Saturday 8th August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.