Black Point-Green Point, CA: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Black Point-Green Point, Marin County, California (CA). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
1:05 PM PDT

5.4Risk: Moderate

(Updated 5 minutes ago.)

As of 1:05 PM PDT, the UV Index in Black Point-Green Point, CA is 5.4 (Moderate).
The UV Index is expected to fall sharply to 3 (still Moderate) between 2:00 PM - 3:00 PM PDT today.

Hourly UV Index Forecast for Today
Sunday, September 20, 2026

12 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PMPacific Daylight Time (PDT)0123456789101112Current Time: 1:05 PM, PDT

UV Index Data sourced from the NOAA.


As of 1:05 PM PDT today in Black Point-Green Point, CA, the UV Index is currently at a moderate level of 5.4. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 2:00 PM and then drop to low levels again from 4:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 7:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Black Point-Green Point, CA

Today

Time RangeUV IndexRisk
12:00 AM - 11:00 AM (PDT)0 - 1.8
Low
11:00 AM - 12:00 PM3.4
Moderate
12:00 PM - 1:00 PM5.8
High
1:00 PM - 4:00 PM3 - 5.4
Moderate
4:00 PM - 12:00 AM0 - 1.9
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (PDT)0 - 1
Low
10:00 AM - 12:00 PM2.5 - 4.2
Moderate
12:00 PM - 3:00 PM5.7 - 6.5
High
3:00 PM - 5:00 PM3.1 - 4.9
Moderate
5:00 PM - 12:00 AM0 - 1.4
Low

Detailed Hourly Black Point-Green Point UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
1:00 PM - 2:00 PM (Now, PDT)5.4
Moderate
2:00 PM - 3:00 PM 3
Moderate
3:00 PM - 4:00 PM 3.2
Moderate
4:00 PM - 5:00 PM 1.9
Low
5:00 PM - 6:00 PM 1.2
Low
6:00 PM - 7:00 PM 0.3
Low
7:00 PM - 8:00 PM 0
Low
8:00 PM - 9:00 PM 0
Low
9:00 PM - 10:00 PM 0
Low
10:00 PM - 11:00 PM 0
Low
11:00 PM - 12:00 AM 0
Low

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