Port Jefferson Weather Forecast

    • 75
    • 94

    Partly Sunny

    • 68
    • 90

    Thunderstorms Likely

    • 57
    • 78

    Rain Showers Likely

    • 56
    • 76

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 61
    • 82

    Mostly Sunny

Today 20 Jul Shelby

Partly cloudy. Highs in the lower 90s. Southwest Winds 10 to 15 Mph. Heat index Values up to 107 this afternoon.

Tonight 20 Jul Shelby

Partly cloudy. Muggy and Unseasonably warm. Lows in the mid 70s. Southwest Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight.

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Port Jefferson Temperature Statistics

July Temperature

Bellefontaine Regional Airport (14.3 miles)

  • Lowest 9 July, 2019

    55.4 °F
  • Average July

    75.3 °F
  • Highest 2 July, 2019

    91.4 °F

Climate (2011–Present)

Bellefontaine Regional Airport (14.3 miles)

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  • Average Low 2011–Present

    41.8 °F
  • Average 2011–Present

    50.6 °F
  • Average High 2011–Present

    59.3 °F
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