Grand Junction weather live forecast

Today's maximum temperature in Grand Junction is expected to be 21°C. Select a day from the live weather forecast for Grand Junction, Colorado, USA for more weather parameters.

Wednesday
20th May
21

7

14

UV8
Thursday
21st May
21

8

4

UV8
Friday
22nd May
21

7

7

UV6
Saturday
23rd May
25

9

11

UV9
Sunday
24th May
29

12

10

UV8

5-day weather forecast updated at 04:01 on Wednesday 20th May 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 Wednesday 20th May 2026

Expect clear skies in Grand Junction, Colorado with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

21
°C maximum temperature
7
°C minimum temperature
clear skies
14
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
21
°C wind chill
20
kph wind from NW

Grand Junction weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Grand Junction, Colorado with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a moderate breeze of 23 kph from the west.

21
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
UV8
UV index (Very High)
32
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
23
kph wind from W

Grand Junction weather for Friday 22nd May 2026

Expect sunshine and showers in Grand Junction, Colorado with a maximum temperature of 21°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a gentle breeze of 14 kph from the north-west.

21
°C maximum temperature
7
°C minimum temperature
sunshine and showers
7
hours of sunshine
UV6
UV index (High)
6
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from NW

Grand Junction weather for Saturday 23rd May 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

25
°C maximum temperature
9
°C minimum temperature
scattered clouds
11
hours of sunshine
UV9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from NW

Grand Junction weather for Sunday 24th May 2026

Expect scattered clouds in Grand Junction, Colorado with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.