Captain Cook, Hawaii, US

: 7

Today's UV Index

August 1, 2026

Very High : 9




Current UV Index

4:10 pm

7
Protection essential
Risk High
Solar radiation 664 W/m2
Solar Energy 2.4 W/m2

Summary

Extra protection needed. Be careful outside, especially during late morning through mid-afternoon. If your shadow is shorter than you, seek shade and wear protective clothing, a wide-brimmed hat, and sunglasses, and generously apply a minimum of SPF-15, broad-spectrum sunscreen on exposed skin.

Hourly UV Index

7 am 0
20
8 am 2
20
9 am 5
30
10 am 7
40
11 am 9
20
12 pm 9
20
1 pm 8
20
2 pm 9
20
3 pm 8
60
4 pm 7
60
5 pm 4
60

15-Day UV index Forecast

Today

1 Aug

9

Very High

Extra protection

20 Min

Sun

2 Aug

10

Very High

Extra protection

20 Min

Mon

3 Aug

10

Very High

Extra protection

20 Min

Tue

4 Aug

9

Very High

Extra protection

20 Min

Wed

5 Aug

9

Very High

Extra protection

20 Min

Thu

6 Aug

8

Very High

Extra protection

20 Min

Fri

7 Aug

9

Very High

Extra protection

20 Min

Sat

8 Aug

8

Very High

Extra protection

20 Min

Sun

9 Aug

8

Very High

Extra protection

20 Min

Mon

10 Aug

7

High

Protection essential

30 Min

Tue

11 Aug

4

Moderate

Protection required

40 Min

Wed

12 Aug

9

Very High

Extra protection

20 Min

Thu

13 Aug

9

Very High

Extra protection

20 Min

Fri

14 Aug

9

Very High

Extra protection

20 Min

Sun

Sunrise
6:00 am
Sunset
6:59 pm

Weather

Temp7 °

Feels like34.9 °

Dew Point24 °

Wind4.6 Km/h

Visibility16

Humidity71.1

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