Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 37°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Wednesday
8th Jul
37

23

11

11
Thursday
9th Jul
36

22

11

10
Friday
10th Jul
36

21

13

10
Saturday
11th Jul
39

20

15

11
Sunday
12th Jul
39

22

14

11

5-day weather forecast updated at 04:00 on Wednesday 8th July 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 8th July 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a moderate breeze of 23 kph from the west.

37
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
11
UV index (Extreme)
6
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
23
kph wind from W

Grand Junction weather for Thursday 9th July 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-west.

36
°C maximum temperature
22
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
25
kph wind from NW

Grand Junction weather for Friday 10th July 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

36
°C maximum temperature
21
°C minimum temperature
scattered clouds
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
16
kph wind from NW

Grand Junction weather for Saturday 11th July 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 39°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

39
°C maximum temperature
20
°C minimum temperature
clear skies
15
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
13
kph wind from SE

Grand Junction weather for Sunday 12th July 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 39°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.