Newtown Weather Forecast

    • 59
    • 77

    Increasing Clouds

    • 63
    • 79

    Chance Rain Showers

    • 48
    • 76

    Mostly Sunny

    • 50
    • 68

    Rain Showers Likely

    • 51
    • 66

    Rain Showers Likely

    • 52
    • 68

    Chance Rain Showers

Today 16 Sep Northern Fairfield

Mostly sunny. Highs in the upper 70s. Southwest Winds 5 to 10 Mph.

Tonight 16 Sep Northern Fairfield

Mostly cloudy. Patchy fog after midnight. Lows around 60. Southwest Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Newtown Temperature Statistics

September Temperature

Danbury, Danbury Municipal Airport (9.3 miles)

  • Lowest 7 September, 2026

    50 °F

  • Average September

    67.7 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Danbury, Danbury Municipal Airport (9.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    63.1 °F
Get WillyWeather+ to remove ads