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Montclair School Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  | |  | |  | | |  | |
| Mostly Clear | Sunny | Partly Cloudy | Showers | Showers | Chance of Showers | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C Lo: 51°FLo: 11°C |
| POP: 70% | POP: 90% | POP: 40% | POP: 30% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 402 PM EDT Fri Sep 18 2026 
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Issued: 302 PM EDT Fri Sep 18 2026
Key Messages
- Dry with fall-like weather tonight through Sat night. Lows both nights mainly in the 40s-lower 50s. Highs Sat mainly in the 60s perhaps flirting with 70 in the lower CT River Valley.
- Next chance for rain Sunday into Monday. There remains uncertainty in the details such as coverage, timing, and amounts. Showers may linger through early next week. A coastal low pressure is possible late next week.
Discussion
... KEY MESSAGE 1...Dry with fall-like weather tonight through Sat night. Lows b...