Newtown Weather Forecast

    • 47
    • 63

    Mostly Cloudy

    • 46
    • 67

    Partly Sunny

    • 47
    • 66

    Partly Sunny

    • 49
    • 64

    Rain Showers Likely

    • 49
    • 63

    Chance Rain Showers

    • 50
    • 66

    Slight Chance Rain Showers

Today 22 Sep Northern Fairfield

Mostly sunny. Highs in the upper 60s.

Tonight 22 Sep Northern Fairfield

Mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Newtown Temperature Statistics

September Temperature

Danbury, Danbury Municipal Airport (9.3 miles)

  • Lowest 15 September, 2026

    44.1 °F

  • Average September

    66.8 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Danbury, Danbury Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    63.1 °F
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