Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 31°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Monday
11th May
31

13

14

9
Tuesday
12th May
34

14

14

9
Wednesday
13th May
33

15

7

9
Thursday
14th May
28

15

10

9
Friday
15th May
29

11

12

9

5-day weather forecast updated at 04:01 on Monday 11th 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 11th May 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

31
°C maximum temperature
13
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
19
kph wind from NW

Grand Junction weather for Tuesday 12th May 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 34°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

34
°C maximum temperature
14
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from NW

Grand Junction weather for Wednesday 13th May 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a moderate breeze of 27 kph from the south-east.

33
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
14
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from SE

Grand Junction weather for Thursday 14th May 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-west.

28
°C maximum temperature
15
°C minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from SW

Grand Junction weather for Friday 15th May 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.