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Town of Newtown, ConnecticutNewtown, CT Weather Forecast
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| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Sunny |
| Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 35°FLo: 2°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 303 PM EDT Mon Oct 05 2026 
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Issued: 237 PM EDT Mon Oct 5 2026
Key Messages
1) Mainly dry conditions prevail this week ahead with the coolest temperatures tonight through Tuesday night.
Discussion
... .KEY MESSAGE 1... Cold front has moves across most of the area, with gusty NW winds in its wake. A secondary feature entering the mid Hudson Valley and NW CT had showers accompanying it earlier, but those have dissipated.
High pressure will build from tonight into Wed, with a much cooler air mass settling in through Tue night. Coolest stretch of temperatures forec...