Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 97°F. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Tuesday
18th Aug
97

70

11

10
Wednesday
19th Aug
97

68

11

10
Thursday
20th Aug
99

70

11

10
Friday
21st Aug
99

68

12

10
Saturday
22nd Aug
95

72

9

10

5-day weather forecast updated at 04:01 on Tuesday 18th August 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 18th August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 97°F, 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 moderate breeze of 14 mph from the north-west.

97
°F maximum temperature
70
°F minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
14
mph wind from NW

Grand Junction weather for Wednesday 19th August 2026

97
°F maximum temperature
68
°F minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
11
mph wind from NW

Grand Junction weather for Thursday 20th August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 99°F, 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 9 mph from the south-east.

99
°F maximum temperature
70
°F minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
9
mph wind from SE

Grand Junction weather for Friday 21st August 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 99°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

99
°F maximum temperature
68
°F minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
9
mph wind from SE

Grand Junction weather for Saturday 22nd August 2026

Expect isolated thunderstorms in Grand Junction, Colorado with a maximum temperature of 95°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 11 mph from the south-east.