McHenry, MD Weather Forecast
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McHenry Weather Forecast
| REST OF THE OVERNIGHT | TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Mostly Clear | Partly Sunny | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Sunny | Chance of Rain | Chance of Rain | Mostly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C |
| POP: 90% | POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 356 AM EST Wed Nov 04 2026 

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Issued: 301 AM EST Wed Nov 4 2026
Key Messages
- 1) Above normal temperatures continue with the first rain chances in two weeks Thursday and Friday.
- 2) Cooler temperatures and mountain showers expected this weekend as another strong front crosses early next week.
Discussion
... KEY MESSAGE 1...Above normal temperatures continue with the first rain chances in two weeks Thursday and Friday.
Broad high pressure over the western Atlantic will continue to maintain above normal temperatures and quiet conditions through this evening. Expect ...
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