UV Index for Mad River, CA

Current Mad River UV Index

4.4 (Moderate)

Last Updated 29 minutes ago

Hourly Mad River UV Index

The hourly Mad River, CA UV Index forecast for Friday, July 18th, 2025.

5 Day Hourly Mad River UV Index Forecast

Last Updated 5 hours ago

The UV index forecast for the next five days in Mad River, CA has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Mad River over the next five days will be 8.6 on Sunday, July 20th at 2:00 pm.

The UV index forecast for Friday, July 18th in Mad River, CA is below.

Time UV Index Risk
5pm 2.6
Low
6pm 1.3
Low
7pm 0.4
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 19th in Mad River, CA 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 0.2
Low
8am 1
Low
9am 2.5
Low
10am 4.6
Moderate
11am 5.8
Moderate
12pm 6.4
High
1pm 7.5
High
2pm 7.6
High
3pm 6.3
High
4pm 4.9
Moderate
5pm 2.9
Low
6pm 1.6
Low
7pm 0.6
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 20th in Mad River, CA 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 0.2
Low
8am 1
Low
9am 2.5
Low
10am 4.7
Moderate
11am 7.1
High
12pm 8.2
Very High
1pm 8.3
Very High
2pm 8.6
Very High
3pm 8
Very High
4pm 6
High
5pm 3.6
Moderate
6pm 1.7
Low
7pm 0.6
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 21st in Mad River, CA 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 0.2
Low
8am 0.7
Low
9am 1.8
Low
10am 4
Moderate
11am 6.7
High
12pm 6.5
High
1pm 6.9
High
2pm 7.5
High
3pm 6.3
High
4pm 4.2
Moderate
5pm 2.3
Low
6pm 1
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 22nd in Mad River, CA is below.

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