UV Index Today in Arlington, Virginia (VA)

Sunday, September 20, 2026 -12:22 PM EDT (GMT-4)

The UV Index in Arlington, Virginia (VA) right now is 5.6. This reading was last updated at 12:00 PM EDT, about 22 minutes ago. The UV Index at1:00 PM EDT, in about 37 minutes from now, is expected to be 6.3.

The maximum UV Index today in Arlington is expected to be 6.3 at 1:00 PM EDT,37 minutes from now. The maximum UV Index tomorrow is expected to be 3.4 at 2:00 PM EDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

September 20
6.3
1:00 PM EDT
High

Tomorrow

September 21
3.4
2:00 PM EDT
Moderate

UV Index Today Hourly

September 20

Sun exposure in Arlington, Virginia (VA) reaches High risk levels today, with a peak UV Index of 6.3 at 1:00 PM EDT.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMEastern Daylight Time (EDT, GMT-4)Now: 12:22 PM00.31.12.64.45.66.35.33.30.70.80.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

September 21

The highest UV reading in Arlington, Virginia (VA) tomorrow is 3.4 at 2:00 PM EDT, falling in the Moderate category.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMEastern Daylight Time (EDT, GMT-4)00.20.810.50.91.23.4320.70.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

September 19, 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
Low
8:00 AM0.3
Low
9:00 AM1.2
Low
10:00 AM2.8
Moderate
11:00 AM4.8
Moderate
12:00 PM6.4
High
1:00 PM7.1
High
2:00 PM5.7
High
3:00 PM5
Moderate
4:00 PM1.7
Low
5:00 PM0.3
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 20, 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
Low
8:00 AM0.3
Low
9:00 AM1.1
Low
10:00 AM2.6
Moderate
11:00 AM4.4
Moderate
12:00 PM5.6
High
1:00 PM6.3
High
2:00 PM5.3
Moderate
3:00 PM3.3
Moderate
4:00 PM0.7
Low
5:00 PM0.8
Low
6:00 PM0.2
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 21, 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
Low
8:00 AM0.2
Low
9:00 AM0.8
Low
10:00 AM1
Low
11:00 AM0.5
Low
12:00 PM0.9
Low
1:00 PM1.2
Low
2:00 PM3.4
Moderate
3:00 PM3
Moderate
4:00 PM2
Low
5:00 PM0.7
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 22, 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
Low
8:00 AM0
Low
9:00 AM0.1
Low
10:00 AM0.3
Low
11:00 AM0.3
Low
12:00 PM0.4
Low
1:00 PM0.5
Low
2:00 PM0.5
Low
3:00 PM0.3
Low
4:00 PM0.2
Low
5:00 PM0.1
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 23, 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
Low
8:00 AM0
Low
9:00 AM0.1
Low
10:00 AM0.3
Low
11:00 AM0.9
Low
12:00 PM1
Low
1:00 PM1.1
Low
2:00 PM1.1
Low
3:00 PM0.5
Low
4:00 PM0.3
Low
5:00 PM0.1
Low
6:00 PM0
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
  • Washington - 6.3
Data Source: National Oceanic and Atmospheric Administration (NOAA)