San Antonio Weather Forecast

    • 24
    • 54

    Partly Sunny

    • 35
    • 59

    Partly Sunny

    • 36
    • 64

    Chance Rain Showers

    • 33
    • 66

    Mostly Sunny

    • 32
    • 65

    Partly Sunny

    • 32
    • 66

    Partly Sunny

Today 30 Dec Lower Rio Grande Valley

Areas of freezing fog in the morning. Partly cloudy. Not as cool with Highs in the lower 50s.

Tonight 30 Dec Lower Rio Grande Valley

Partly cloudy. Cold with Lows in the mid 20s.

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San Antonio Temperature Statistics

December Temperature

Socorro Municipal Airport (7.5 miles)

  • Lowest 5 December, 2025

    23.7 °F

  • Average December

    47.2 °F

  • Highest 20 December, 2025

    76.8 °F

Climate (2020–Present)

Socorro Municipal Airport (7.5 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    74.9 °F
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