UV Index Today in Urban Honolulu, Hawaii (HI)

Wednesday, July 15, 2026 -7:03 AM HST (GMT-10)

The UV Index in Urban Honolulu, Hawaii (HI) right now is 0.5. This reading was last updated at 7:00 AM HST, about 3 minutes ago. The UV Index at8:00 AM HST, in about 56 minutes from now, is expected to be 1.8.

The maximum UV Index today in Urban Honolulu is expected to be 12.3 at 1:00 PM HST,5 hours and 56 minutes from now. The maximum UV Index tomorrow is expected to be 12.8 at 1:00 PM HST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

July 15
12.3
1:00 PM HST
Extreme

Tomorrow

July 16
12.8
1:00 PM HST
Extreme

UV Index Today Hourly

July 15

The UV Index for Urban Honolulu, Hawaii (HI) peaks at 12.3 today at 1:00 PM HST, classified as Extreme risk.

0246810126 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMHawaii-Aleutian Standard Time (HST, GMT-10)Now: 7:03 AM00.51.84.37.610.512.112.310.67.64.31.70.50
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

July 16

Weather models predict UV Index 12.8 for Urban Honolulu, Hawaii (HI) tomorrow, peaking near 1:00 PM HST - Extreme risk level.

0246810126 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMHawaii-Aleutian Standard Time (HST, GMT-10)00.51.84.36.89.812.712.811.17.84.31.90.50
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

July 14, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.5
Low
8:00 AM1.8
Low
9:00 AM4.3
Moderate
10:00 AM7.5
Very High
11:00 AM10.5
Extreme
12:00 PM12.2
Extreme
1:00 PM12.1
Extreme
2:00 PM10.6
Extreme
3:00 PM7.7
Very High
4:00 PM4.5
Moderate
5:00 PM1.9
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 15, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.5
Low
8:00 AM1.8
Low
9:00 AM4.3
Moderate
10:00 AM7.6
Very High
11:00 AM10.5
Extreme
12:00 PM12.1
Extreme
1:00 PM12.3
Extreme
2:00 PM10.6
Extreme
3:00 PM7.6
Very High
4:00 PM4.3
Moderate
5:00 PM1.7
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 16, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.5
Low
8:00 AM1.8
Low
9:00 AM4.3
Moderate
10:00 AM6.8
High
11:00 AM9.8
Very High
12:00 PM12.7
Extreme
1:00 PM12.8
Extreme
2:00 PM11.1
Extreme
3:00 PM7.8
Very High
4:00 PM4.3
Moderate
5:00 PM1.9
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 17, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.4
Low
8:00 AM1.8
Low
9:00 AM4.1
Moderate
10:00 AM7.8
Very High
11:00 AM10.9
Extreme
12:00 PM12.9
Extreme
1:00 PM12.9
Extreme
2:00 PM11.2
Extreme
3:00 PM8.1
Very High
4:00 PM4.7
Moderate
5:00 PM2
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

July 18, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0.5
Low
8:00 AM1.9
Low
9:00 AM4.5
Moderate
10:00 AM7.9
Very High
11:00 AM10.8
Extreme
12:00 PM12.9
Extreme
1:00 PM12.9
Extreme
2:00 PM11.1
Extreme
3:00 PM8
Very High
4:00 PM4.6
Moderate
5:00 PM2
Low
6:00 PM0.5
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

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