Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 36°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Thursday
18th Jun
36

17

13

10
Friday
19th Jun
37

17

8

11
Saturday
20th Jun
34

21

15

11
Sunday
21st Jun
34

18

14

11
Monday
22nd Jun
35

17

15

10

5-day weather forecast updated at 04:01 on Thursday 18th 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 Thursday 18th June 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 19 kph from the north-west.

36
°C maximum temperature
17
°C minimum temperature
scattered clouds
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
19
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 8 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
17
°C minimum temperature
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from NW

Grand Junction weather for Saturday 20th 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 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
scattered clouds
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 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

34
°C maximum temperature
18
°C minimum temperature
scattered clouds
14
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
23
kph wind from NW

Grand Junction weather for Monday 22nd June 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west.