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

Saturday, August 8, 2026 -11:59 AM EDT (GMT-4)

The UV Index in Hempstead, Nassau County, New York (NY) right now is 6.3. This reading was last updated at 11:00 AM EDT, about 59 minutes ago. The UV Index at12:00 PM EDT, in about less than a minute from now, is expected to be 7.9.

The maximum UV Index today in Hempstead is expected to be 8.4 at 1:00 PM EDT,1 hour from now. The maximum UV Index tomorrow is expected to be 8.4 at 1:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 8
8.4
1:00 PM EDT
Very High

Tomorrow

August 9
8.4
1:00 PM EDT
Very High

UV Index Today Hourly

August 8

Hempstead, Nassau County, New York (NY) sees Very High-risk UV conditions today, with the index reaching8.4 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: 11:59 AM00.312.44.36.37.98.47.75.73.71.90.60.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 9

Sun intensity in Hempstead, Nassau County, New York (NY) is at its highest tomorrow at 1:00 PM EDT, registering UV Index 8.4 (Very High risk).

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMEastern Daylight Time (EDT, GMT-4)00.20.92.13.95.77.48.475.53.720.70.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 7, 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 AM1.1
Low
9:00 AM2.5
Moderate
10:00 AM4.4
Moderate
11:00 AM6.5
High
12:00 PM7.9
Very High
1:00 PM8.4
Very High
2:00 PM7.7
Very High
3:00 PM6
High
4:00 PM4.1
Moderate
5:00 PM2.2
Low
6:00 PM0.8
Low
7:00 PM0.1
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 8, 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 AM2.4
Low
10:00 AM4.3
Moderate
11:00 AM6.3
High
12:00 PM7.9
Very High
1:00 PM8.4
Very High
2:00 PM7.7
Very High
3:00 PM5.7
High
4:00 PM3.7
Moderate
5:00 PM1.9
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

August 9, 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 AM0.9
Low
9:00 AM2.1
Low
10:00 AM3.9
Moderate
11:00 AM5.7
High
12:00 PM7.4
High
1:00 PM8.4
Very High
2:00 PM7
High
3:00 PM5.5
High
4:00 PM3.7
Moderate
5:00 PM2
Low
6:00 PM0.7
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 10, 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 AM0.9
Low
9:00 AM2.1
Low
10:00 AM3.8
Moderate
11:00 AM5.7
High
12:00 PM7
High
1:00 PM7.4
High
2:00 PM6.8
High
3:00 PM5.3
Moderate
4:00 PM1.8
Low
5:00 PM0.9
Low
6:00 PM0.7
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 11, 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 AM0.8
Low
9:00 AM1.7
Low
10:00 AM3.4
Moderate
11:00 AM5
Moderate
12:00 PM6.3
High
1:00 PM5.5
High
2:00 PM6.1
High
3:00 PM5
Moderate
4:00 PM3
Moderate
5:00 PM1.6
Low
6:00 PM0.3
Low
7:00 PM0.1
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)