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.

Tuesday
22nd Sep
27

15

7

7
Wednesday
23rd Sep
25

14

9

6
Thursday
24th Sep
24

15

11

6
Friday
25th Sep
24

14

4

7
Saturday
26th Sep
26

13

9

6

5-day weather forecast updated at 04:00 on Tuesday 22nd 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 Tuesday 22nd September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 27°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 60% chance of some rain and a moderate breeze of 21 kph from the east.

27
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
7
UV index (High)
60
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
21
kph wind from E

Grand Junction weather for Wednesday 23rd September 2026

Expect sunshine and showers in Grand Junction, Colorado with a maximum temperature of 25°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a gentle breeze of 14 kph from the south-east.

25
°C maximum temperature
14
°C minimum temperature
sunshine and showers
9
hours of sunshine
6
UV index (High)
24
% chance of some rain
<2
mm of rainfall expected
25
°C wind chill
14
kph wind from SE

Grand Junction weather for Thursday 24th September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 24°C, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

24
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from SE

Grand Junction weather for Friday 25th September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 24°C, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 19 kph from the south-east.

24
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
42
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
19
kph wind from SE

Grand Junction weather for Saturday 26th September 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 26°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.