New Haven Weather Forecast

    • 63
    • 91

    Becoming Sunny

    • 62
    • 88

    Mostly Sunny

    • 70
    • 95

    Mostly Sunny

    • 67
    • 97

    Chance Thunderstorms

    • 62
    • 85

    Chance Rain Showers

    • 62
    • 86

    Chance Rain Showers

Today 6 Sep Franklin

Sunny. Not as warm with Highs around 90. Northeast Winds 5 to 10 Mph.

Tonight 6 Sep Franklin

Mostly clear. Lows in the lower 60s. East Winds around 5 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

New Haven Temperature Statistics

September Temperature

Washington Regional Airport (11.8 miles)

  • Lowest 1 September, 2026

    68 °F

  • Average September

    85.3 °F

  • Highest 1 September, 2026

    100.4 °F

Climate (2021–2026)

Washington Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.7 °F
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