San Martin Lake Weather Forecast

    • 69
    • 74

    Mostly Cloudy

    • 68
    • 75

    Rain Showers Likely

    • 61
    • 80

    Partly Sunny

    • 61
    • 72

    Partly Sunny

    • 70
    • 79

    Mostly Sunny

    • 71
    • 80

    Partly Sunny

Today 16 Dec Inland Cameron

Partly sunny in the Morning, then becoming mostly cloudy. Patchy fog in the morning. Not as cool with Highs in the mid 70s. Northeast Winds 5 to 10 Mph, becoming southeast 10 to 15 Mph with Gusts up to 20 Mph in the afternoon.

Tonight 16 Dec Inland Cameron

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Not as cool with Lows in the mid 60s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Martin Lake Temperature Statistics

December Temperature

Brownsville, Brownsville / South Padre Island International Airport (8.7 miles)

  • Lowest 9 December, 2025

    48.9 °F

  • Average December

    65.1 °F

  • Highest 13 December, 2025

    86 °F

Climate (2020–Present)

Brownsville, Brownsville / South Padre Island International Airport (8.7 miles)

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  • Average Low 2020–2025

    68.7 °F

  • Average 2020–2025

    76.4 °F

  • Average High 2020–2025

    86.1 °F
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