Lake Pontchartrain - Tchefuncta River Entrance Weather Forecast

    • 22
    • 36

    Breezy

    • 31
    • 45

    Mostly Sunny

    • 45
    • 57

    Partly Sunny

    • 52
    • 65

    Rain Showers Likely

    • 35
    • 60

    Chance Rain Showers

    • 33
    • 50

    Mostly Sunny

Today 31 Jan Southwestern St. Tammany

Sunny, Blustery and much cooler. Near steady temperature in the mid 30s. North Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 31 Jan Southwestern St. Tammany

Clear. Widespread frost after midnight. Cold with Lows around 20. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Real-Time

Lake Pontchartrain - Tchefuncta River Entrance Temperature Statistics

January Temperature

Hammond, Hammond Municipal Airport (18 miles)

  • Lowest 27 January, 2026

    19.8 °F

  • Average January

    52.5 °F

  • Highest 9 January, 2026

    83.3 °F

Climate (2021–Present)

Hammond, Hammond Municipal Airport (18 miles)

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  • Average Low 2021–2026

    58.7 °F

  • Average 2021–2026

    68.1 °F

  • Average High 2021–2026

    79 °F
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