Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 36°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Wednesday
19th Aug
36

22

11

10
Thursday
20th Aug
37

20

11

10
Friday
21st Aug
37

21

11

10
Saturday
22nd Aug
34

22

9

8
Sunday
23rd Aug
33

20

7

10

5-day weather forecast updated at 04:01 on Wednesday 19th August 2026 GMT

More about Grand Junction

Grand Junction by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Colorado

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 Wednesday 19th August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

36
°C maximum temperature
22
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
19
kph wind from NW

Grand Junction weather for Thursday 20th August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

37
°C maximum temperature
20
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
kph wind from SE

Grand Junction weather for Friday 21st August 2026

Expect sunshine and showers in Grand Junction, Colorado with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 10 (Very High) 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 17 kph from the south-east.

37
°C maximum temperature
21
°C minimum temperature
sunshine and showers
11
hours of sunshine
10
UV index (Very High)
25
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
17
kph wind from SE

Grand Junction weather for Saturday 22nd August 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 18 kph from the south-east.

34
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
8
UV index (Very High)
46
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
18
kph wind from SE

Grand Junction weather for Sunday 23rd August 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 17 kph from the south-east.