Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 38°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Monday
20th Jul
38

25

11

11
Tuesday
21st Jul
37

24

11

11
Wednesday
22nd Jul
33

24

8

10
Thursday
23rd Jul
31

23

9

10
Friday
24th Jul
34

23

12

11

5-day weather forecast updated at 04:01 on Monday 20th July 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 20th July 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 38°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 14 kph from the south-east.

38
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
11
UV index (Extreme)
25
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
14
kph wind from SE

Grand Junction weather for Tuesday 21st July 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 18 kph from the south-east.

37
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
11
UV index (Extreme)
49
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
18
kph wind from SE

Grand Junction weather for Wednesday 22nd July 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 17 kph from the south-east.

33
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
10
UV index (Very High)
76
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
17
kph wind from SE

Grand Junction weather for Thursday 23rd July 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 66% chance of some rain and a light breeze of 12 kph from the north-west.

31
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
10
UV index (Very High)
66
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from NW

Grand Junction weather for Friday 24th July 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 12 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a light breeze of 12 kph from the west.