Protection on Nov 4Below UV 3 all dayUV 3 or higher, local time
Solar noon11:36 AMwhen the sun is highest
Sunrise · sunset6:30 AM · 4:42 PMlocal time
Peak1around 10 AM
Sun protection on Wednesday, November 4
Low No protection needed. You can safely stay outside using minimal sun protection (EPA).
What the UV index scale meansHourly UV forecast
| Hour | UV index | Exposure |
|---|---|---|
| 9 AM | 0 | Low |
| 10 AM | 1 | Low |
| 11 AM | 1 | Low |
| 12 PM | 1 | Low |
| 1 PM | 1 | Low |
| 2 PM | 1 | Low |
| 3 PM | 0 | Low |
Recent UV forecasts in Mount Prospect
Across 7 available forecast dates from Oct 29, 2026 to Nov 4, 2026, the forecast peak ranged from 1 to 3 (highest on Oct 30, 2026).
| Date | Peak UV | Exposure |
|---|---|---|
| Wed, Nov 4 | 1 | Low |
| Tue, Nov 3 | 1 | Low |
| Mon, Nov 2 | 2 | Low |
| Sun, Nov 1 | 1 | Low |
| Sat, Oct 31 | 2 | Low |
| Fri, Oct 30 | 3 | Moderate |
| Thu, Oct 29 | 2 | Low |
UV index today near Mount Prospect
| City | Distance | Peak today |
|---|---|---|
| Des Plaines, IL | 2.5 mi | — |
| Arlington Heights, IL | 3.1 mi | — |
| Wheeling, IL | 4.3 mi | — |
| Elk Grove Village, IL | 5.0 mi | — |
| Glenview, IL | 5.6 mi | — |
| Park Ridge, IL | 6.2 mi | — |
| Palatine, IL | 6.8 mi | — |
| Northbrook, IL | 6.8 mi | — |
More: Illinois UV index · Mount Prospect frost dates · Evanston water temperature · UV index explained