South San Antonio Weather Forecast

    • 52
    • 77

    Slight Chance Rain Showers

    • 39
    • 56

    Mostly Cloudy

    • 45
    • 58

    Mostly Cloudy

    • 58
    • 64

    Mostly Cloudy

    • 60
    • 75

    Mostly Cloudy

    • 57
    • 82

    Partly Sunny

    • 60
    • 76

    Partly Sunny

Today 13 Dec Bexar

Partly cloudy. Highs in the upper 70s. South Winds around 5 Mph.

Tonight 13 Dec Bexar

Partly cloudy in the Evening, then cloudy with a slight chance of Showers after midnight. Cooler with Lows in the lower 50s. East Winds around 5 Mph, increasing to northeast 15 to 20 Mph with Gusts up to 30 Mph after midnight. Chance of rain 20 percent.

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South San Antonio Temperature Statistics

December Temperature

San Antonio - Kelly Field (3.1 miles)

  • Lowest 9 December, 2025

    34.5 °F

  • Average December

    53.5 °F

  • Highest 7 December, 2025

    81.5 °F

Climate (2020–Present)

San Antonio - Kelly Field (3.1 miles)

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  • Average Low 2020–2025

    61.4 °F

  • Average 2020–2025

    71.9 °F

  • Average High 2020–2025

    83.1 °F
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