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
17th Jun
37

19

14

11
Thursday
18th Jun
36

18

14

11
Friday
19th Jun
37

18

9

11
Saturday
20th Jun
34

21

15

11
Sunday
21st Jun
34

17

12

11

5-day weather forecast updated at 04:00 on Wednesday 17th June 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 17th June 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 37°C, 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 fresh breeze of 31 kph from the west.

37
°C maximum temperature
19
°C minimum temperature
clear skies
14
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
31
kph wind from W

Grand Junction weather for Thursday 18th June 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 36°C, 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 moderate breeze of 21 kph from the north-west.

36
°C maximum temperature
18
°C minimum temperature
clear skies
14
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from NW

Grand Junction weather for Friday 19th June 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

37
°C maximum temperature
18
°C minimum temperature
broken clouds
9
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
23
kph wind from W

Grand Junction weather for Saturday 20th June 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the west.

34
°C maximum temperature
21
°C minimum temperature
clear skies
15
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
33
kph wind from W

Grand Junction weather for Sunday 21st June 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.