Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 26°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Monday
31st Aug
26

16

2

6
Tuesday
1st Sep
26

16

7

8
Wednesday
2nd Sep
29

17

7

9
Thursday
3rd Sep
30

17

8

8
Friday
4th Sep
31

17

6

8

5-day weather forecast updated at 04:01 on Monday 31st August 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 31st August 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 26°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 19 kph from the east.

26
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
74
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
19
kph wind from E

Grand Junction weather for Tuesday 1st September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and a gentle breeze of 17 kph from the south-east.

26
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
21
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
17
kph wind from SE

Grand Junction weather for Wednesday 2nd September 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 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the south-west.

29
°C maximum temperature
17
°C minimum temperature
scattered clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
28
kph wind from SW

Grand Junction weather for Thursday 3rd September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 30°C, moderate 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 27 kph from the south-east.

30
°C maximum temperature
17
°C minimum temperature
scattered clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
27
kph wind from SE

Grand Junction weather for Friday 4th September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 26 kph from the south-east.