UV Index for Tamalpais-Homestead Valley, CA

Current Tamalpais-Homestead Valley UV Index

1.6 (Low)

Last Updated 24 minutes ago

Hourly Tamalpais-Homestead Valley UV Index

The hourly Tamalpais-Homestead Valley, CA UV Index forecast for Thursday, December 4th, 2025.

5 Day Hourly Tamalpais-Homestead Valley UV Index Forecast

Last Updated 4 hours ago

The UV index forecast for the next five days in Tamalpais-Homestead Valley, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Tamalpais-Homestead Valley over the next five days will be 2.4 on Friday, December 5th at 12:00 pm.

The UV index forecast for Thursday, December 4th in Tamalpais-Homestead Valley, CA is below.

Time UV Index Risk
3pm 0.8
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, December 5th in Tamalpais-Homestead Valley, 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
Low
8am 0.1
Low
9am 0.6
Low
10am 1.3
Low
11am 2
Low
12pm 2.4
Low
1pm 2.2
Low
2pm 1.6
Low
3pm 0.8
Low
4pm 0.3
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, December 6th in Tamalpais-Homestead Valley, 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
Low
8am 0.1
Low
9am 0.4
Low
10am 0.8
Low
11am 1.3
Low
12pm 1.6
Low
1pm 1.9
Low
2pm 1.6
Low
3pm 0.8
Low
4pm 0.3
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, December 7th in Tamalpais-Homestead Valley, 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
Low
8am 0.1
Low
9am 0.5
Low
10am 1.1
Low
11am 1.8
Low
12pm 2.1
Low
1pm 1.9
Low
2pm 1.3
Low
3pm 0.7
Low
4pm 0.2
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, December 8th in Tamalpais-Homestead Valley, CA is below.

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