Johnson Island Weather Forecast

    • 33
    • 49

    Chance Rain Showers

    • 39
    • 50

    Mostly Sunny

    • 44
    • 52

    Chance Rain Showers

    • 44
    • 65

    Chance Rain Showers

    • 47
    • 56

    Chance Rain Showers

    • 39
    • 60

    Chance Rain Showers

    • 32
    • 49

    Partly Sunny

Today 26 Mar Southern New Haven

Partly sunny. A chance of Showers this afternoon. Highs in the lower 50s. West Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 30 percent.

Tonight 26 Mar Southern New Haven

Partly cloudy with a chance of rain Showers this Evening, then mostly clear after midnight. Lows in the lower 30s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Island Temperature Statistics

March Temperature

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

  • Lowest 3 March, 2025

    18.8 °F

  • Average March

    43.6 °F

  • Highest 19 March, 2025

    64.7 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    63.5 °F
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