Downtown (San Antonio) Weather Forecast

    • 67
    • 76

    Increasing Clouds

    • 65
    • 81

    Mostly Cloudy

    • 65
    • 79

    Mostly Cloudy

    • 64
    • 80

    Mostly Cloudy

    • 63
    • 81

    Mostly Cloudy

    • 61
    • 82

    Partly Sunny

Today 22 Dec Bexar

Cloudy this Morning, then becoming partly cloudy. Highs in the mid 70s. East Winds around 5 Mph, becoming south this afternoon.

Tonight 22 Dec Bexar

Partly cloudy in the Evening, then becoming cloudy. Not as cool with Lows in the mid 60s. Southeast Winds around 5 Mph.

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Downtown (San Antonio) Temperature Statistics

December Temperature

San Antonio, Stinson Municipal Airport (6.2 miles)

  • Lowest 9 December, 2025

    35.1 °F

  • Average December

    55.5 °F

  • Highest 7 December, 2025

    79 °F

Climate (2020–Present)

San Antonio, Stinson Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    62.5 °F

  • Average 2020–2025

    73.2 °F

  • Average High 2020–2025

    84.7 °F
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