UV Index for San Francisco, CA

Current San Francisco UV Index

0.4 (Low)

Last Updated 6 minutes ago

Hourly San Francisco UV Index

The hourly San Francisco, CA UV Index forecast for Thursday, September 19th, 2024.

5 Day Hourly San Francisco UV Index Forecast

Last Updated 7 hours ago

The UV index forecast for the next five days in San Francisco, CA has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in San Francisco over the next five days will be 6.7 on Sunday, September 22nd at 1:00 pm.

The UV index forecast for Thursday, September 19th in San Francisco, CA is below.

Time UV Index Risk
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 20th in San Francisco, 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 0.2
Low
9am 0.7
Low
10am 2
Low
11am 4
Moderate
12pm 5.1
Moderate
1pm 5.6
Moderate
2pm 5.3
Moderate
3pm 4.2
Moderate
4pm 2.8
Low
5pm 1.3
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 21st in San Francisco, 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 0.2
Low
9am 1
Low
10am 2.5
Low
11am 4.3
Moderate
12pm 6
High
1pm 5.9
Moderate
2pm 5.5
Moderate
3pm 4.3
Moderate
4pm 2.7
Low
5pm 1.2
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 22nd in San Francisco, 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 0.2
Low
9am 1
Low
10am 2.5
Low
11am 4.3
Moderate
12pm 5.9
Moderate
1pm 6.7
High
2pm 6.3
High
3pm 5
Moderate
4pm 3.1
Moderate
5pm 1.4
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 23rd in San Francisco, 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