New Haven Weather Forecast

    • 56
    • 73

    Slight Chance Rain Showers

    • 54
    • 77

    Mostly Sunny

    • 62
    • 82

    Mostly Cloudy

    • 65
    • 84

    Rain Showers Likely

    • 61
    • 78

    Rain Showers Likely

    • 58
    • 74

    Chance Rain Showers

Today 27 Sep Franklin

Mostly cloudy with a chance of Showers late this Morning, then partly sunny with a slight chance of Showers this afternoon. Highs in the mid 70s. East Winds around 5 Mph. Chance of rain 30 percent.

Tonight 27 Sep Franklin

Mostly cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph in the Evening, becoming light and variable.

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New Haven Temperature Statistics

September Temperature

Washington Regional Airport (11.8 miles)

  • Lowest 25 September, 2026

    53.6 °F

  • Average September

    78 °F

  • Highest 5 September, 2026

    102.2 °F

Climate (2021–2026)

Washington Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    69.7 °F
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