San Anselmo, California, United States UV Index Forecast

Find the UV Index forecast for today, tomorrow and the next 15 days for San Anselmo, California, United States, The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated hourly.

Current UV Index
10:50 am

High7

UV INDEX

Hourly UV Index Forecast for Today
July 13, 2025

0
6 am
0
7 am
1
8 am
4
9 am
5
10 am
7
11 am
9
12 pm
10
1 pm
10
2 pm
9
3 pm
8
4 pm
7
5 pm
4
6 pm
3
7 pm
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

As of 10:50 am today in San Anselmo, California, United States, the UV Index is currently at a High level of 7.

Summary of Hourly UV Index Forecast for Today and Tomorrow in San Anselmo, California, United States.

Today

Time Range UV Index Risk
6 am 0
Low
7 am 0
Low
8 am 1
Low
9 am 4
Moderate
10 am 5
Moderate
11 am 7
High
12 pm 9
Very High
1 pm 10
Very High
2 pm 10
Very High
3 pm 9
Very High
4 pm 8
Very High
5 pm 7
High
6 pm 4
Moderate
7 pm 3
Moderate

Tomorrow

Time Range UV Index Risk
6 am 0
Low
7 am 1
Low
8 am 2
Low
9 am 4
Moderate
10 am 6
High
11 am 7
High
12 pm 9
Very High
1 pm 10
Very High
2 pm 10
Very High
3 pm 9
Very High
4 pm 8
Very High
5 pm 7
High
6 pm 5
Moderate
7 pm 3
Moderate

Daily San Anselmo UV Index Forecast for the next 15 days:

10
13 Jul
10
14 Jul
9
15 Jul
10
16 Jul
10
17 Jul
10
18 Jul
10
19 Jul
9
20 Jul
8
21 Jul
8
22 Jul
8
23 Jul
8
24 Jul
9
25 Jul
9
26 Jul
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

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