UV Index Today in Hempstead, Nassau County, New York (NY)

Wednesday, July 15, 2026 -12:16 PM EDT (GMT-4)

The UV Index in Hempstead, Nassau County, New York (NY) right now is 7.5. This reading was last updated at 12:00 PM EDT, about 16 minutes ago. The UV Index at1:00 PM EDT, in about 43 minutes from now, is expected to be 7.6.

The maximum UV Index today in Hempstead is expected to be 7.6 at 1:00 PM EDT,43 minutes from now. The maximum UV Index tomorrow is expected to be 7.2 at 1:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

July 15
7.6
1:00 PM EDT
Very High

Tomorrow

July 16
7.2
1:00 PM EDT
High

UV Index Today Hourly

July 15

Hempstead, Nassau County, New York (NY) sees Very High-risk UV conditions today, with the index reaching7.6 around 1:00 PM EDT.

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)Now: 12:16 PM00.51.42.94.56.97.57.66.84.431.40.40.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

July 16

Sun intensity in Hempstead, Nassau County, New York (NY) is at its highest tomorrow at 1:00 PM EDT, registering UV Index 7.2 (High risk).

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)00.20.61.73.14.56.77.26.64.82.81.60.60.20
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 AM0.4
Low
8:00 AM1.4
Low
9:00 AM3
Moderate
10:00 AM5.1
Moderate
11:00 AM7.2
High
12:00 PM8.8
Very High
1:00 PM9.4
Very High
2:00 PM8.8
Very High
3:00 PM7.2
High
4:00 PM4.6
Moderate
5:00 PM2.6
Moderate
6:00 PM1.2
Low
7:00 PM0.4
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 AM1.4
Low
9:00 AM2.9
Moderate
10:00 AM4.5
Moderate
11:00 AM6.9
High
12:00 PM7.5
Very High
1:00 PM7.6
Very High
2:00 PM6.8
High
3:00 PM4.4
Moderate
4:00 PM3
Moderate
5:00 PM1.4
Low
6:00 PM0.4
Low
7:00 PM0.1
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 AM0.2
Low
8:00 AM0.6
Low
9:00 AM1.7
Low
10:00 AM3.1
Moderate
11:00 AM4.5
Moderate
12:00 PM6.7
High
1:00 PM7.2
High
2:00 PM6.6
High
3:00 PM4.8
Moderate
4:00 PM2.8
Moderate
5:00 PM1.6
Low
6:00 PM0.6
Low
7:00 PM0.2
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 AM0.3
Low
8:00 AM1
Low
9:00 AM2.5
Moderate
10:00 AM4.1
Moderate
11:00 AM5.8
High
12:00 PM6.9
High
1:00 PM7.7
Very High
2:00 PM7.2
High
3:00 PM5.9
High
4:00 PM3.9
Moderate
5:00 PM2.2
Low
6:00 PM0.9
Low
7:00 PM0.3
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 AM0.1
Low
8:00 AM0.1
Low
9:00 AM0.5
Low
10:00 AM0.5
Low
11:00 AM0.5
Low
12:00 PM0.9
Low
1:00 PM0.6
Low
2:00 PM1.2
Low
3:00 PM2
Low
4:00 PM0.7
Low
5:00 PM1.4
Low
6:00 PM0.9
Low
7:00 PM0.2
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)