Johnson Island Weather Forecast

    • 51
    • 77

    Decreasing Clouds

    • 51
    • 64

    Rain Showers

    • 42
    • 70

    Rain Showers

    • 41
    • 53

    Mostly Sunny

    • 47
    • 59

    Mostly Sunny

    • 52
    • 63

    Partly Sunny

Today 14 Oct Southern New Haven

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

Tonight 14 Oct Southern New Haven

Partly cloudy in the Evening, then becoming mostly clear. Less humid with Lows around 50. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Johnson Island Temperature Statistics

October Temperature

New Haven, Tweed-New Haven Airport (6.8 miles)

  • Lowest 7 October, 2026

    37 °F

  • Average October

    59.3 °F

  • Highest 2 October, 2026

    77 °F

Climate (2021–2026)

New Haven, Tweed-New Haven Airport (6.8 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    63.3 °F
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