Shelter Island Bay - Jonas Island Weather Forecast

    • 23
    • 39

    Gradual Clearing

    • 32
    • 38

    Partly Sunny

    • 31
    • 45

    Chance Snow

    • 20
    • 36

    Chance Snow

    • 17
    • 33

    Partly Sunny

    • 14
    • 26

    Mostly Sunny

Today 15 Jan Coastal Atlantic

Partly sunny this Morning, then clearing. Breezy with Highs around 40. Temperature falling into the lower 30s this afternoon. West Winds 15 to 25 Mph.

Tonight 15 Jan Coastal Atlantic

Mostly cloudy in the Evening, then clearing. Brisk and much Colder with Lows in the mid 20s. West Winds 20 to 25 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shelter Island Bay - Jonas Island Temperature Statistics

January Temperature

Atlantic City, Atlantic City International Airport (7.5 miles)

  • Lowest 2 January, 2026

    19 °F

  • Average January

    37.2 °F

  • Highest 7 January, 2026

    59 °F

Climate (2021–Present)

Atlantic City, Atlantic City International Airport (7.5 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66.1 °F
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