Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 27°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Sunday
27th Sep
27

15

4

6
Monday
28th Sep
20

15

0

3
Tuesday
29th Sep
21

14

3

6
Wednesday
30th Sep
24

14

0

6
Thursday
1st Oct
25

12

6

7

5-day weather forecast updated at 04:01 on Sunday 27th September 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 Sunday 27th September 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

27
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from E

Grand Junction weather for Monday 28th September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 19 kph from the south-east.

20
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
3
UV index (Moderate)
75
% chance of some rain
<10
mm of rainfall expected
20
°C wind chill
19
kph wind from SE

Grand Junction weather for Tuesday 29th September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 21°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 14 kph from the east.

21
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
UV index (High)
56
% chance of some rain
<10
mm of rainfall expected
21
°C wind chill
14
kph wind from E

Grand Junction weather for Wednesday 30th September 2026

Expect mostly cloudy with light rain in Grand Junction, Colorado with a maximum temperature of 24°C, maximum UV of 6 (High) and no 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 north-west.

24
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
6
UV index (High)
21
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Grand Junction weather for Thursday 1st October 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 25°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.