Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 32°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Saturday
29th Aug
32

20

6

8
Sunday
30th Aug
27

18

7

8
Monday
31st Aug
27

16

7

8
Tuesday
1st Sep
29

18

7

7
Wednesday
2nd Sep
30

18

9

7

5-day weather forecast updated at 04:01 on Saturday 29th 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 Saturday 29th August 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 22 kph from the south-east.

32
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
73
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from SE

Grand Junction weather for Sunday 30th August 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 22 kph from the south-east.

27
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
67
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
22
kph wind from SE

Grand Junction weather for Monday 31st August 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 15 kph from the south-east.

27
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
62
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
15
kph wind from SE

Grand Junction weather for Tuesday 1st September 2026

Expect sunshine and showers in Grand Junction, Colorado with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 20 kph from the south-east.

29
°C maximum temperature
18
°C minimum temperature
sunshine and showers
7
hours of sunshine
7
UV index (High)
25
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
20
kph wind from SE

Grand Junction weather for Wednesday 2nd September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.