06470 Weather (Newtown, CT)

Weather forecast for: Newtown CT

Last Update: 3:10 pm EDT Sep 18, 2026

Tonight: Partly cloudy, with a low around 49. North wind around 7 mph.

Saturday: Mostly sunny, with a high near 68. Northeast wind around 7 mph.

Saturday Night: Increasing clouds, with a low around 54. Southeast wind around 5 mph becoming calm in the evening.

Sunday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 65. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Sunday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 54. Calm wind becoming north 5 to 8 mph in the evening. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Monday: A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 65.

Monday Night: Mostly cloudy, with a low around 49.

Tuesday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 61.

Tuesday Night: Mostly cloudy, with a low around 47.

Wednesday: Partly sunny, with a high near 61.

Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 47.

Thursday: A 30 percent chance of showers. Mostly cloudy, with a high near 61.

Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 48.

Friday: A 30 percent chance of showers. Partly sunny, with a high near 65.