Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 29°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Monday
25th May
29

15

6

UV9
Tuesday
26th May
24

16

9

UV8
Wednesday
27th May
30

14

13

UV9
Thursday
28th May
31

14

14

UV10
Friday
29th May
28

14

13

UV9

5-day weather forecast updated at 04:01 on Monday 25th May 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 Monday 25th May 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 22 kph from the south.

29
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
UV9
UV index (Very High)
26
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
22
kph wind from S

Grand Junction weather for Tuesday 26th May 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 18 kph from the south-east.

24
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
UV8
UV index (Very High)
67
% chance of some rain
<5
mm of rainfall expected
24
°C wind chill
18
kph wind from SE

Grand Junction weather for Wednesday 27th May 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south.

30
°C maximum temperature
14
°C minimum temperature
scattered clouds
13
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
24
kph wind from S

Grand Junction weather for Thursday 28th May 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 31°C, moderate 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 fresh breeze of 29 kph from the south-east.

31
°C maximum temperature
14
°C minimum temperature
scattered clouds
14
hours of sunshine
UV10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from SE

Grand Junction weather for Friday 29th May 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.