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St. Charles Weather Forecast
| REST OF THE OVERNIGHT | TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
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| Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of Showers | Showers Likely | Showers | Cloudy | Partly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny |
| Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C |
| POP: 70% | POP: 50% | POP: 70% | POP: 80% |
POP = Probability of Precipitation.
Weather Outlook Updated: 455 AM EDT Fri Oct 02 2026 
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Issued: 402 AM EDT Fri Oct 2 2026
Key Messages
- 1) A stalling cold front may bring rain at times today through Sunday.
- 2) First widespread frost and freeze potential west of the Blue Ridge early next week.
Discussion
... KEY MESSAGE 1...A stalling cold front may bring rain at times today through Sunday.
A cold front will approach from the northwest later this afternoon into this evening before eventually pushing south of the area tonight. Showers will likely reach western Maryland by the afternoon, progressing southeastward during th...