UV Index Today in Chicago, Illinois (IL)
Tuesday, April 7, 2026 - 3:46 AM CDT (GMT-5)
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The UV Index in Chicago, Illinois (IL) right now is 0. This reading was last updated at 3:00 AM CDT, about 46 minutes ago. The UV Index at 4:00 AM CDT, in about 13 minutes from now, is expected to be 0.
The maximum UV Index today in Chicago is expected to be 5.4 at 1:00 PM CDT, 9 hours and 13 minutes from now. The maximum UV Index tomorrow is expected to be 5.6 at 1:00 PM CDT.
Today
April 7
5.4
1:00 PM CDT
Moderate
Tomorrow
April 8
5.6
1:00 PM CDT
High
UV Index Today Hourly
April 7
Weather models predict UV Index 5.4 for Chicago, Illinois (IL) today, peaking near 1:00 PM CDT - Moderate risk level.
UV Index Tomorrow Hourly
April 8
The UV Index for Chicago, Illinois (IL) peaks at 5.6 tomorrow at 1:00 PM CDT, classified as High risk.
5 Day UV Index Forecast
April 6, 2026
| Time | UV Index | Risk |
|---|---|---|
| 12:00 AM | 0 | Low |
| 1:00 AM | 0 | Low |
| 2:00 AM | 0 | Low |
| 3:00 AM | 0 | Low |
| 4:00 AM | 0 | Low |
| 5:00 AM | 0 | Low |
| 6:00 AM | 0 | Low |
| 7:00 AM | 0.1 | Low |
| 8:00 AM | 0.6 | Low |
| 9:00 AM | 1.4 | Low |
| 10:00 AM | 2 | Low |
| 11:00 AM | 3.1 | Moderate |
| 12:00 PM | 5.2 | Moderate |
| 1:00 PM | 5.5 | High |
| 2:00 PM | 5 | Moderate |
| 3:00 PM | 3.8 | Moderate |
| 4:00 PM | 2.4 | Low |
| 5:00 PM | 1.1 | Low |
| 6:00 PM | 0.3 | Low |
| 7:00 PM | 0 | Low |
| 8:00 PM | 0 | Low |
| 9:00 PM | 0 | Low |
| 10:00 PM | 0 | Low |
| 11:00 PM | 0 | Low |
April 7, 2026
| Time | UV Index | Risk |
|---|---|---|
| 12:00 AM | 0 | Low |
| 1:00 AM | 0 | Low |
| 2:00 AM | 0 | Low |
| 3:00 AM | 0 | Low |
| 4:00 AM | 0 | Low |
| 5:00 AM | 0 | Low |
| 6:00 AM | 0 | Low |
| 7:00 AM | 0.1 | Low |
| 8:00 AM | 0.6 | Low |
| 9:00 AM | 1.5 | Low |
| 10:00 AM | 2.8 | Moderate |
| 11:00 AM | 4.2 | Moderate |
| 12:00 PM | 5.1 | Moderate |
| 1:00 PM | 5.4 | Moderate |
| 2:00 PM | 4.9 | Moderate |
| 3:00 PM | 3.8 | Moderate |
| 4:00 PM | 2.4 | Low |
| 5:00 PM | 1.1 | Low |
| 6:00 PM | 0.4 | Low |
| 7:00 PM | 0 | Low |
| 8:00 PM | 0 | Low |
| 9:00 PM | 0 | Low |
| 10:00 PM | 0 | Low |
| 11:00 PM | 0 | Low |
April 8, 2026
| Time | UV Index | Risk |
|---|---|---|
| 12:00 AM | 0 | Low |
| 1:00 AM | 0 | Low |
| 2:00 AM | 0 | Low |
| 3:00 AM | 0 | Low |
| 4:00 AM | 0 | Low |
| 5:00 AM | 0 | Low |
| 6:00 AM | 0 | Low |
| 7:00 AM | 0.1 | Low |
| 8:00 AM | 0.5 | Low |
| 9:00 AM | 1 | Low |
| 10:00 AM | 1.4 | Low |
| 11:00 AM | 3.4 | Moderate |
| 12:00 PM | 4.7 | Moderate |
| 1:00 PM | 5.6 | High |
| 2:00 PM | 5.3 | Moderate |
| 3:00 PM | 4 | Moderate |
| 4:00 PM | 2.4 | Low |
| 5:00 PM | 1.1 | Low |
| 6:00 PM | 0.4 | Low |
| 7:00 PM | 0 | Low |
| 8:00 PM | 0 | Low |
| 9:00 PM | 0 | Low |
| 10:00 PM | 0 | Low |
| 11:00 PM | 0 | Low |
April 9, 2026
| Time | UV Index | Risk |
|---|---|---|
| 12:00 AM | 0 | Low |
| 1:00 AM | 0 | Low |
| 2:00 AM | 0 | Low |
| 3:00 AM | 0 | Low |
| 4:00 AM | 0 | Low |
| 5:00 AM | 0 | Low |
| 6:00 AM | 0 | Low |
| 7:00 AM | 0.1 | Low |
| 8:00 AM | 0.3 | Low |
| 9:00 AM | 0.2 | Low |
| 10:00 AM | 1.5 | Low |
| 11:00 AM | 3.1 | Moderate |
| 12:00 PM | 4.3 | Moderate |
| 1:00 PM | 4.7 | Moderate |
| 2:00 PM | 1.3 | Low |
| 3:00 PM | 3.1 | Moderate |
| 4:00 PM | 0.8 | Low |
| 5:00 PM | 0.7 | Low |
| 6:00 PM | 0.3 | Low |
| 7:00 PM | 0 | Low |
| 8:00 PM | 0 | Low |
| 9:00 PM | 0 | Low |
| 10:00 PM | 0 | Low |
| 11:00 PM | 0 | Low |
April 10, 2026
| Time | UV Index | Risk |
|---|---|---|
| 12:00 AM | 0 | Low |
| 1:00 AM | 0 | Low |
| 2:00 AM | 0 | Low |
| 3:00 AM | 0 | Low |
| 4:00 AM | 0 | Low |
| 5:00 AM | 0 | Low |
| 6:00 AM | 0 | Low |
| 7:00 AM | 0 | Low |
| 8:00 AM | 0.2 | Low |
| 9:00 AM | 0.1 | Low |
| 10:00 AM | 0.1 | Low |
| 11:00 AM | 0.3 | Low |
| 12:00 PM | 0.5 | Low |
| 1:00 PM | 0.5 | Low |
| 2:00 PM | 0.6 | Low |
| 3:00 PM | 0.6 | Low |
| 4:00 PM | 0.6 | Low |
| 5:00 PM | 0.4 | Low |
| 6:00 PM | 0.3 | Low |
| 7:00 PM | 0 | Low |
| 8:00 PM | 0 | Low |
| 9:00 PM | 0 | Low |
| 10:00 PM | 0 | Low |
| 11:00 PM | 0 | Low |
Nearby Places
Maximum UV Index Today