Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 25°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Friday
18th Sep
25

16

6

7
Saturday
19th Sep
24

15

6

7
Sunday
20th Sep
24

14

10

7
Monday
21st Sep
26

11

6

7
Tuesday
22nd Sep
24

14

6

7

5-day weather forecast updated at 04:01 on Friday 18th 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

Crystal Ski: Top ski deals to USA

Sale

Save on skiing holidays to the USA in winter 2025/2026
Book early with Crystal Ski for the best deals
Filter by promotional offers, duration, board basis & more

Go to Crystal Ski deal >>

View all Crystal Ski 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 Friday 18th September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 25°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 17 kph from the south-east.

25
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
81
% chance of some rain
<10
mm of rainfall expected
25
°C wind chill
17
kph wind from SE

Grand Junction weather for Saturday 19th September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 24°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 17 kph from the south-east.

24
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
58
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
17
kph wind from SE

Grand Junction weather for Sunday 20th September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 24°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0-2 mm of rainfall expected with 2% chance of some rain and a gentle breeze of 17 kph from the north-west.

24
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
10
hours of sunshine
7
UV index (High)
2
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Grand Junction weather for Monday 21st September 2026

Expect broken clouds in Grand Junction, Colorado with a maximum temperature of 26°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

26
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
26
°C wind chill
13
kph wind from SE

Grand Junction weather for Tuesday 22nd September 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 24°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 38% chance of some rain and a moderate breeze of 20 kph from the south-east.