Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 30°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Thursday
14th May
30

17

13

9
Friday
15th May
31

13

9

9
Saturday
16th May
29

15

8

8
Sunday
17th May
23

11

0

6
Monday
18th May
19

10

2

8

5-day weather forecast updated at 04:01 on Thursday 14th 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 Thursday 14th May 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 30°C, moderate 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 23 kph from the west.

30
°C maximum temperature
17
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from W

Grand Junction weather for Friday 15th May 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 31°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the west.

31
°C maximum temperature
13
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
27
kph wind from W

Grand Junction weather for Saturday 16th May 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

29
°C maximum temperature
15
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from W

Grand Junction weather for Sunday 17th May 2026

Expect mostly cloudy with light rain in Grand Junction, Colorado with a maximum temperature of 23°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 25 kph from the west.

23
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
6
UV index (High)
41
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
25
kph wind from W

Grand Junction weather for Monday 18th May 2026

Expect mostly cloudy with light rain in Grand Junction, Colorado with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 24% chance of some rain and a gentle breeze of 18 kph from the west.