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.

Saturday
8th Aug
39

21

10

8
Sunday
9th Aug
37

23

8

8
Monday
10th Aug
37

23

11

8
Tuesday
11th Aug
37

21

11

8
Wednesday
12th Aug
35

21

9

8

5-day weather forecast updated at 04:01 on Saturday 8th 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 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 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-east.

39
°C maximum temperature
21
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
19
kph wind from SE

Grand Junction weather for Sunday 9th August 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 37°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 22 kph from the north-west.

37
°C maximum temperature
23
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from NW

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 moderate breeze of 22 kph from the north-west.

37
°C maximum temperature
23
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from NW

Grand Junction weather for Tuesday 11th August 2026

37
°C maximum temperature
21
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
20
kph wind from NW

Grand Junction weather for Wednesday 12th August 2026

Expect sunshine and showers in Grand Junction, Colorado with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a moderate breeze of 21 kph from the south-east.