UV Index Today in Chicago, Illinois (IL)

Tuesday, October 13, 2026 -2:24 PM CDT (GMT-5)

The UV Index in Chicago, Illinois (IL) right now is 2.5. This reading was last updated at 2:00 PM CDT, about 24 minutes ago. The UV Index at3:00 PM CDT, in about 35 minutes from now, is expected to be 1.2.

The maximum UV Index today in Chicago was 5.1 at 1:00 PM CDT,1 hour and 24 minutes ago. The maximum UV Index tomorrow is expected to be 3.9 at 12:00 PM CDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

October 13
5.1
1:00 PM CDT
Moderate

Tomorrow

October 14
3.9
12:00 PM CDT
Moderate

UV Index Today Hourly

October 13

Weather models predict UV Index 5.1 for Chicago, Illinois (IL) today, peaking near 1:00 PM CDT - Moderate risk level.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PMCentral Daylight Time (CDT, GMT-5)Now: 2:24 PM00.20.82.13.64.85.12.51.21.70.60
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

October 14

The UV Index for Chicago, Illinois (IL) peaks at 3.9 tomorrow at 12:00 PM CDT, classified as Moderate risk.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PMCentral Daylight Time (CDT, GMT-5)00.10.51.82.43.92.21.91.20.90.30
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

October 12, 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 AM1.9
Low
11:00 AM3.3
Moderate
12:00 PM4.4
Moderate
1:00 PM4.8
Moderate
2:00 PM4.2
Moderate
3:00 PM2.9
Moderate
4:00 PM1.6
Low
5:00 PM0.5
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

October 13, 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 AM2.1
Low
11:00 AM3.6
Moderate
12:00 PM4.8
Moderate
1:00 PM5.1
Moderate
2:00 PM2.5
Moderate
3:00 PM1.2
Low
4:00 PM1.7
Low
5:00 PM0.6
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

October 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
Low
8:00 AM0.1
Low
9:00 AM0.5
Low
10:00 AM1.8
Low
11:00 AM2.4
Low
12:00 PM3.9
Moderate
1:00 PM2.2
Low
2:00 PM1.9
Low
3:00 PM1.2
Low
4:00 PM0.9
Low
5:00 PM0.3
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

October 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 AM0.1
Low
9:00 AM0.2
Low
10:00 AM0.2
Low
11:00 AM0.2
Low
12:00 PM0.3
Low
1:00 PM0.2
Low
2:00 PM0.3
Low
3:00 PM0.1
Low
4:00 PM0.1
Low
5:00 PM0
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

October 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
Low
8:00 AM0.1
Low
9:00 AM0.7
Low
10:00 AM1.7
Low
11:00 AM2.7
Moderate
12:00 PM3.7
Moderate
1:00 PM3.3
Moderate
2:00 PM1
Low
3:00 PM1.4
Low
4:00 PM0.6
Low
5:00 PM0.3
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
Data Source: National Oceanic and Atmospheric Administration (NOAA)