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.

Wednesday
9th Sep
32

16

12

9
Thursday
10th Sep
32

14

12

9
Friday
11th Sep
32

17

7

8
Saturday
12th Sep
33

17

7

7
Sunday
13th Sep
31

19

6

8

5-day weather forecast updated at 04:00 on Wednesday 9th September 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

Virgin Holidays sale: Top deals on holidays worldwide

Sale

Save on holidays to popular destinations worldwide
Book holidays to Caribbean, USA, Indian Ocean & more
Pay just £75 deposits per person to secure booking

Go to Virgin Holidays deal >>

Expires at 23:59 on Wednesday 30th Sep 2026 · View all Virgin Holidays offers

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 9th September 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-west.

32
°C maximum temperature
16
°C minimum temperature
clear skies
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
22
kph wind from NW

Grand Junction weather for Thursday 10th September 2026

32
°C maximum temperature
14
°C minimum temperature
clear skies
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from E

Grand Junction weather for Friday 11th September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-east.

32
°C maximum temperature
17
°C minimum temperature
scattered clouds
7
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
25
kph wind from SE

Grand Junction weather for Saturday 12th September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-east.

33
°C maximum temperature
17
°C minimum temperature
scattered clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
26
kph wind from SE

Grand Junction weather for Sunday 13th 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 41% chance of some rain and a strong breeze of 40 kph from the south-west.