Seattle, WA: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Seattle, King County, Washington (WA). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
12:44 PM PDT

4.3Risk: Moderate

(Updated 44 minutes ago.)

As of 12:44 PM PDT, the UV Index in Seattle, WA is 4.3 (Moderate).
The UV Index is expected to rise to 4.6 (still Moderate) between 1:00 PM - 2:00 PM PDT today.

Hourly UV Index Forecast for Today
Thursday, May 2, 2024

6 AM9 AM12 PM3 PM6 PM9 PMPacific Daylight Time (PDT)0123456789101112 Current Time: 12:44 PM, PDT

UV Index Data sourced from the NOAA.


As of 12:44 PM PDT today in Seattle, WA, the UV Index is currently at a moderate level of 4.3. However, as the day progresses, the UV index is expected to rise.

The UV Index in Seattle will continue to rise, reaching a moderate level of 4.6 between 1:00 PM - 2:00 PM. This will also be the peak UV Index level for the day.

For the protection of your health against UV exposure, we highly recommended wearing sunglasses, generously applying broad-spectrum SPF 15+ strength sunscreen on exposed skin, covering the body with sun-protective clothing and a wide-brim hat, and reducing the time spent outdoors in the sun during peak hours.

After reaching its peak for the day, the UV Index will gradually decline through the afternoon and evening. It will return to moderate levels at 2:00 PM and then drop to low levels again from 5:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 8:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Seattle, WA

Today

Time Range UV Index Risk
6:00 AM - 11:00 AM (PDT) 0 - 2.4
Low
11:00 AM - 5:00 PM 2.7 - 4.6
Moderate
5:00 PM - 12:00 AM 0 - 1.7
Low

Tomorrow

Time Range UV Index Risk
12:00 AM - 10:00 AM (PDT) 0 - 1.4
Low
10:00 AM - 4:00 PM 2.5 - 4.6
Moderate
4:00 PM - 12:00 AM 0 - 1.7
Low

Detailed Hourly Seattle UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
Time UV Index Risk
12:00 PM - 1:00 PM (Now, PDT) 4.3
Moderate
1:00 PM - 2:00 PM 4.6
Moderate
2:00 PM - 3:00 PM 4.4
Moderate
3:00 PM - 4:00 PM 3.7
Moderate
4:00 PM - 5:00 PM 2.7
Moderate
5:00 PM - 6:00 PM 1.7
Low
6:00 PM - 7:00 PM 0.8
Low
7:00 PM - 8:00 PM 0.3
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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