UV Index for Grand Junction, CO

Current Grand Junction UV Index

4.8 (Moderate)

Last Updated 28 minutes ago

Hourly Grand Junction UV Index

The hourly Grand Junction, CO UV Index forecast for Thursday, April 17th, 2025.

5 Day Hourly Grand Junction UV Index Forecast

Last Updated 23 hours ago

The UV index forecast for the next five days in Grand Junction, CO has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Grand Junction over the next five days will be 7.3 on Saturday, April 19th at 1:00 pm.

The UV index forecast for Thursday, April 17th in Grand Junction, CO is below.

Time UV Index Risk
12pm 6.3
High
1pm 7
High
2pm 6.6
High
3pm 4.6
Moderate
4pm 3.5
Moderate
5pm 1.1
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, April 18th in Grand Junction, CO is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.4
Low
9am 0.8
Low
10am 1.4
Low
11am 2.8
Low
12pm 5
Moderate
1pm 6.1
High
2pm 4
Moderate
3pm 4
Moderate
4pm 3.1
Moderate
5pm 1.6
Low
6pm 0.4
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, April 19th in Grand Junction, CO is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.5
Low
9am 1.4
Low
10am 3
Moderate
11am 4.8
Moderate
12pm 6.4
High
1pm 7.3
High
2pm 7.1
High
3pm 6
High
4pm 4.2
Moderate
5pm 2.4
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, April 20th in Grand Junction, CO is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low