UV Index Today in Urban Honolulu, Hawaii (HI)

Monday, April 6, 2026 - 10:53 PM HST (GMT-10)

The UV Index in Urban Honolulu, Hawaii (HI) right now is 0. This reading was last updated at 10:00 PM HST, about 53 minutes ago. The UV Index at 11:00 PM HST, in about 6 minutes from now, is expected to be 0.

The maximum UV Index today in Urban Honolulu was 9.6 at 12:00 PM HST, 10 hours and 53 minutes ago. The maximum UV Index tomorrow is expected to be 10.5 at 12:00 PM HST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

April 6
9.6
12:00 PM HST
Very High

Tomorrow

April 7
10.5
12:00 PM HST
Extreme

UV Index Today Hourly

April 6

The UV Index for Urban Honolulu, Hawaii (HI) peaks at 9.6 today at 12:00 PM HST, classified as Very High risk.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMHawaii-Aleutian Standard Time (HST, GMT-10) Now: 10:53 PM00.20.82.44.489.69.16.75.22.410.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

April 7

Weather models predict UV Index 10.5 for Urban Honolulu, Hawaii (HI) tomorrow, peaking near 12:00 PM HST - Extreme risk level.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMHawaii-Aleutian Standard Time (HST, GMT-10) 00.21.13.268.710.510.58.96.23.41.30.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

April 6, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.2
Low
8:00 AM 0.8
Low
9:00 AM 2.4
Low
10:00 AM 4.4
Moderate
11:00 AM 8
Very High
12:00 PM 9.6
Very High
1:00 PM 9.1
Very High
2:00 PM 6.7
High
3:00 PM 5.2
Moderate
4:00 PM 2.4
Low
5:00 PM 1
Low
6:00 PM 0.2
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 7, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.2
Low
8:00 AM 1.1
Low
9:00 AM 3.2
Moderate
10:00 AM 6
High
11:00 AM 8.7
Very High
12:00 PM 10.5
Extreme
1:00 PM 10.5
Extreme
2:00 PM 8.9
Very High
3:00 PM 6.2
High
4:00 PM 3.4
Moderate
5:00 PM 1.3
Low
6:00 PM 0.2
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 8, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.2
Low
8:00 AM 0.8
Low
9:00 AM 1.9
Low
10:00 AM 4.4
Moderate
11:00 AM 5
Moderate
12:00 PM 4.7
Moderate
1:00 PM 5.6
High
2:00 PM 4
Moderate
3:00 PM 1.9
Low
4:00 PM 1.3
Low
5:00 PM 0.5
Low
6:00 PM 0.1
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 9, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.1
Low
8:00 AM 0.6
Low
9:00 AM 0.6
Low
10:00 AM 1.9
Low
11:00 AM 2.2
Low
12:00 PM 3.5
Moderate
1:00 PM 4.4
Moderate
2:00 PM 3.7
Moderate
3:00 PM 2.7
Moderate
4:00 PM 1.7
Low
5:00 PM 0.7
Low
6:00 PM 0.1
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low

April 10, 2026
Time UV Index Risk
12:00 AM 0
Low
1:00 AM 0
Low
2:00 AM 0
Low
3:00 AM 0
Low
4:00 AM 0
Low
5:00 AM 0
Low
6:00 AM 0
Low
7:00 AM 0.1
Low
8:00 AM 0.9
Low
9:00 AM 1.7
Low
10:00 AM 4.5
Moderate
11:00 AM 8.3
Very High
12:00 PM 9
Very High
1:00 PM 6.8
High
2:00 PM 8.7
Very High
3:00 PM 6.4
High
4:00 PM 3.5
Moderate
5:00 PM 1.3
Low
6:00 PM 0.3
Low
7:00 PM 0
Low
8:00 PM 0
Low
9:00 PM 0
Low
10:00 PM 0
Low
11:00 PM 0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
Data Source: National Oceanic and Atmospheric Administration (NOAA)