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Knox Park McHenry, IL Weather Forecast
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Knox Park McHenry Weather Forecast
| EARLY THIS MORNING | TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  | | | | | |  |  |  |  |
| Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy |
| Hi: 61°FHi: 16°C | Hi: 80°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C |
| POP: 70% | POP: 70% | POP: 40% | POP: 60% | POP: 60% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 405 AM CDT Sun Aug 09 2026 
Knox Park McHenry Radar Loop
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