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.

Sunday
9th Aug
37

22

7

8
Monday
10th Aug
36

22

11

8
Tuesday
11th Aug
37

21

11

8
Wednesday
12th Aug
33

22

9

6
Thursday
13th Aug
31

21

5

8

5-day weather forecast updated at 04:01 on Sunday 9th 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 Sunday 9th 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 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

37
°C maximum temperature
22
°C minimum temperature
scattered clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
23
kph wind from NW

Grand Junction weather for Monday 10th August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 36°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 20 kph from the north-west.

36
°C maximum temperature
22
°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 Tuesday 11th 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 18 kph from the north-west.

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
18
kph wind from NW

Grand Junction weather for Wednesday 12th August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.

33
°C maximum temperature
22
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from SE

Grand Junction weather for Thursday 13th August 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 18 kph from the south-east.