Westhaven-Moonstone, 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 Westhaven-Moonstone, Humboldt 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
4:46 PM PDT

5.8Risk: High

(Updated 46 minutes ago.)

As of 4:46 PM PDT, the UV Index in Westhaven-Moonstone, CA is 5.8 (High).
The UV Index is expected to fall sharply to 3.6 (Moderate) between 5:00 PM - 6:00 PM PDT today.

Hourly UV Index Forecast for Today
Thursday, June 11, 2026

6 AM9 AM12 PM3 PM6 PM9 PMPacific Daylight Time (PDT)0123456789101112Current Time: 4:46 PM, PDT

UV Index Data sourced from the NOAA.


As of 4:46 PM PDT today in Westhaven-Moonstone, CA, the UV Index is currently at a high level of 5.8. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 5:00 PM and then drop to low levels again from 6:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 9:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Westhaven-Moonstone, CA

Today

Time RangeUV IndexRisk
6:00 AM - 9:00 AM (PDT)0 - 1.1
Low
9:00 AM - 11:00 AM2.6 - 4.7
Moderate
11:00 AM - 12:00 PM6.9
High
12:00 PM - 4:00 PM7.9 - 9.6
Very High
4:00 PM - 5:00 PM5.8
High
5:00 PM - 6:00 PM3.6
Moderate
6:00 PM - 12:00 AM0 - 1.8
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 9:00 AM (PDT)0 - 1.1
Low
9:00 AM - 11:00 AM2.6 - 4.6
Moderate
11:00 AM - 12:00 PM6.8
High
12:00 PM - 4:00 PM7.7 - 9.2
Very High
4:00 PM - 5:00 PM5.7
High
5:00 PM - 6:00 PM3.6
Moderate
6:00 PM - 12:00 AM0 - 1.8
Low

Detailed Hourly Westhaven-Moonstone UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
4:00 PM - 5:00 PM (Now, PDT)5.8
High
5:00 PM - 6:00 PM 3.6
Moderate
6:00 PM - 7:00 PM 1.8
Low
7:00 PM - 8:00 PM 0.7
Low
8:00 PM - 9:00 PM 0.2
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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