Pearl River Weather Forecast

    • 25
    • 49

    Sunny

    • 28
    • 57

    Mostly Sunny

    • 37
    • 57

    Mostly Cloudy

    • 47
    • 62

    Rain Showers Likely

    • 43
    • 63

    Mostly Cloudy

    • 51
    • 66

    Chance Rain Showers

    • 46
    • 70

    Chance Rain Showers

Today 18 Jan Northern St. Tammany

Sunny. Highs in the upper 40s. Northwest Winds 5 to 10 Mph.

Tonight 18 Jan Northern St. Tammany

Clear, cold with Lows in the upper 20s. Northwest Winds around 5 Mph.

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Pearl River Temperature Statistics

January Temperature

Slidell, Slidell Airport (5 miles)

  • Lowest 13 January, 2026

    28.9 °F

  • Average January

    58 °F

  • Highest 9 January, 2026

    81 °F

Climate (2021–Present)

Slidell, Slidell Airport (5 miles)

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  • Average Low 2021–2026

    59.9 °F

  • Average 2021–2026

    70 °F

  • Average High 2021–2026

    80.6 °F
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