San Antonio Weather Forecast

    • 46
    • 67

    Sunny

    • 49
    • 76

    Mostly Sunny

    • 55
    • 71

    Partly Sunny

    • 61
    • 77

    Partly Sunny

    • 58
    • 77

    Mostly Cloudy

    • 53
    • 67

    Mostly Cloudy

Today 9 Dec Bexar

Sunny. Highs in the upper 60s. Southwest Winds 5 to 10 Mph.

Tonight 9 Dec Bexar

Clear. Lows in the mid 40s. Southwest Winds around 5 Mph.

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San Antonio Temperature Statistics

December Temperature

San Antonio, Stinson Municipal Airport (5.6 miles)

  • Lowest 2 December, 2025

    39 °F

  • Average December

    52.6 °F

  • Highest 7 December, 2025

    79 °F

Climate (2020–Present)

San Antonio, Stinson Municipal Airport (5.6 miles)

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  • Average Low 2020–2025

    62.5 °F

  • Average 2020–2025

    73.1 °F

  • Average High 2020–2025

    84.6 °F
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