UV Index Today in Madison, Wisconsin (WI)

Saturday, August 15, 2026 -1:12 AM CDT (GMT-5)

The UV Index in Madison, Wisconsin (WI) right now is 0. This reading was last updated at 1:00 AM CDT, about 12 minutes ago. The UV Index at2:00 AM CDT, in about 47 minutes from now, is expected to be 0.

The maximum UV Index today in Madison is expected to be 2.9 at 4:00 PM CDT,14 hours and 47 minutes from now. The maximum UV Index tomorrow is expected to be 7.9 at 1:00 PM CDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

August 15
2.9
4:00 PM CDT
Moderate

Tomorrow

August 16
7.9
1:00 PM CDT
Very High

UV Index Today Hourly

August 15

Madison, Wisconsin (WI) sees Moderate-risk UV conditions today, with the index reaching2.9 around 4:00 PM CDT.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMCentral Daylight Time (CDT, GMT-5)Now: 1:12 AM00.30.60.81.21.60.90.91.82.91.90.70.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

August 16

The sun will be strongest in Madison, Wisconsin (WI) around 1:00 PM CDT tomorrow, with a UV Index of 7.9 (Very High risk).

02468106 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PMCentral Daylight Time (CDT, GMT-5)00.20.92.24.167.57.96.15.242.10.80.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

August 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 AM0.1
Low
8:00 AM0.8
Low
9:00 AM1.9
Low
10:00 AM3.3
Moderate
11:00 AM4.8
Moderate
12:00 PM6.1
High
1:00 PM5.9
High
2:00 PM4.1
Moderate
3:00 PM4.4
Moderate
4:00 PM3
Moderate
5:00 PM0.2
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

August 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
Low
8:00 AM0.3
Low
9:00 AM0.6
Low
10:00 AM0.8
Low
11:00 AM1.2
Low
12:00 PM1.6
Low
1:00 PM0.9
Low
2:00 PM0.9
Low
3:00 PM1.8
Low
4:00 PM2.9
Moderate
5:00 PM1.9
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 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 AM0.9
Low
9:00 AM2.2
Low
10:00 AM4.1
Moderate
11:00 AM6
High
12:00 PM7.5
Very High
1:00 PM7.9
Very High
2:00 PM6.1
High
3:00 PM5.2
Moderate
4:00 PM4
Moderate
5:00 PM2.1
Low
6:00 PM0.8
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 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 AM0.2
Low
8:00 AM0.9
Low
9:00 AM2.2
Low
10:00 AM3.8
Moderate
11:00 AM5.5
High
12:00 PM6.9
High
1:00 PM7.9
Very High
2:00 PM7.3
High
3:00 PM5.8
High
4:00 PM3.8
Moderate
5:00 PM2
Low
6:00 PM0.8
Low
7:00 PM0.2
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

August 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 AM0.2
Low
8:00 AM0.7
Low
9:00 AM2.1
Low
10:00 AM3.9
Moderate
11:00 AM5.7
High
12:00 PM7.1
High
1:00 PM5.9
High
2:00 PM4.1
Moderate
3:00 PM4.3
Moderate
4:00 PM2.9
Moderate
5:00 PM1.2
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
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

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