Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 40°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Sunday
12th Jul
40

24

14

11
Monday
13th Jul
38

25

13

11
Tuesday
14th Jul
39

26

12

11
Wednesday
15th Jul
39

24

11

11
Thursday
16th Jul
39

25

12

11

5-day weather forecast updated at 04:01 on Sunday 12th 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 Sunday 12th July 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 40°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 14 kph from the south-east.

40
°C maximum temperature
24
°C minimum temperature
scattered clouds
14
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
VH
very high heat & humidity
14
kph wind from SE

Grand Junction weather for Monday 13th July 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 38°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-east.

38
°C maximum temperature
25
°C minimum temperature
scattered clouds
13
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
17
kph wind from SE

Grand Junction weather for Tuesday 14th 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 12 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
26
°C minimum temperature
scattered clouds
12
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
VH
very high heat & humidity
13
kph wind from SE

Grand Junction weather for Wednesday 15th 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 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.