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.

Friday
7th Aug
39

20

13

9
Saturday
8th Aug
39

20

12

8
Sunday
9th Aug
38

22

8

8
Monday
10th Aug
37

23

11

8
Tuesday
11th Aug
37

21

11

8

5-day weather forecast updated at 04:01 on Friday 7th 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 Friday 7th 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 13 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
20
°C minimum temperature
clear skies
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
VH
very 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, high levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

39
°C maximum temperature
20
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from NW

Grand Junction weather for Sunday 9th August 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 38°C, high 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 20 kph from the south-east.

38
°C maximum temperature
22
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
20
kph wind from SE

Grand Junction weather for Monday 10th August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.