New Haven Weather Forecast

    • 64
    • 90

    Increasing Clouds

    • 60
    • 85

    Chance Thunderstorms

    • 68
    • 88

    Chance Rain Showers

    • 67
    • 95

    Slight Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

    • 65
    • 87

    Chance Rain Showers

Today 12 Sep Franklin

Patchy fog in the morning. Sunny. Highs around 90. Southwest Winds around 5 Mph, becoming northwest in the afternoon.

Tonight 12 Sep Franklin

Partly cloudy. Patchy fog. Near steady temperature in the upper 60s. South Winds around 5 Mph.

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New Haven Temperature Statistics

September Temperature

Washington Regional Airport (11.8 miles)

  • Lowest 8 September, 2026

    62.6 °F

  • Average September

    83.2 °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

    47.8 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    69.7 °F
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