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.

Tuesday
23rd Jun
37

18

14

11
Wednesday
24th Jun
35

18

10

10
Thursday
25th Jun
31

18

8

10
Friday
26th Jun
34

17

13

10
Saturday
27th Jun
35

18

14

10

5-day weather forecast updated at 04:00 on Tuesday 23rd 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 Tuesday 23rd 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 moderate breeze of 25 kph from the west.

37
°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
25
kph wind from W

Grand Junction weather for Wednesday 24th June 2026

Expect sunshine and showers in Grand Junction, Colorado with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 27 kph from the south.

35
°C maximum temperature
18
°C minimum temperature
sunshine and showers
10
hours of sunshine
10
UV index (Very High)
36
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
27
kph wind from S

Grand Junction weather for Thursday 25th June 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 20 kph from the south-east.

31
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
65
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from SE

Grand Junction weather for Friday 26th June 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 34°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 fresh breeze of 33 kph from the south-west.

34
°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
33
kph wind from SW

Grand Junction weather for Saturday 27th 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 14 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 39 kph from the south-west.