UV Index for Altona, CO

Current Altona UV Index

0 (Low)

Last Updated 2 minutes ago

Hourly Altona UV Index

The hourly Altona, CO UV Index forecast for Monday, June 16th, 2025.

5 Day Hourly Altona UV Index Forecast

Last Updated 13 hours ago

The UV index forecast for the next five days in Altona, CO has 2 days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Altona over the next five days will be 12.5 on Monday, June 16th at 1:00 pm.

The UV index forecast for Monday, June 16th in Altona, CO is below.

Time UV Index Risk
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.6
Low
8am 1.7
Low
9am 3.8
Moderate
10am 6.7
High
11am 9.6
Very High
12pm 11.8
Extreme
1pm 12.5
Extreme
2pm 11.8
Extreme
3pm 9.6
Very High
4pm 6.6
High
5pm 2.5
Low
6pm 1.4
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, June 17th in Altona, 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 0.5
Low
8am 1.5
Low
9am 3.2
Moderate
10am 5.3
Moderate
11am 7.8
High
12pm 7.3
High
1pm 10.1
Very High
2pm 5.3
Moderate
3pm 7.6
High
4pm 5.8
Moderate
5pm 3.3
Moderate
6pm 1
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, June 18th in Altona, 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 0.5
Low
8am 1.6
Low
9am 3.6
Moderate
10am 6.2
High
11am 8.9
Very High
12pm 10.9
Very High
1pm 11.8
Extreme
2pm 11.1
Extreme
3pm 9.1
Very High
4pm 6.5
High
5pm 3.8
Moderate
6pm 1.8
Low
7pm 0.6
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, June 19th in Altona, 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