Heron Bay Weather Forecast

    • 48
    • 69

    Chance Thunderstorms

    • 48
    • 60

    Sunny

    • 57
    • 67

    Mostly Sunny

    • 55
    • 68

    Slight Chance Rain Showers

    • 56
    • 65

    Partly Sunny

    • 56
    • 67

    Partly Sunny

Today 18 Dec Southern Hancock

Mostly cloudy Early, then becoming partly sunny. Areas of fog Early, then patchy fog. A chance of Showers with a slight chance of Thunderstorms. Near steady temperature around 70. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 18 Dec Southern Hancock

Patchy fog in the evening. Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly clear after midnight. Cooler. Less humid with Lows in the mid 40s. West Winds 5 to 10 Mph, becoming northwest 10 to 15 Mph after midnight. Chance of rain 30 percent.

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Heron Bay Temperature Statistics

December Temperature

Bay St. Louis, Stennis International Airport (12.4 miles)

  • Lowest 15 December, 2025

    26.6 °F

  • Average December

    52.4 °F

  • Highest 13 December, 2025

    77 °F

Climate (2020–Present)

Bay St. Louis, Stennis International Airport (12.4 miles)

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  • Average Low 2020–2025

    59.9 °F

  • Average 2020–2025

    71.2 °F

  • Average High 2020–2025

    78 °F
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