Upson Park Weather Forecast

    • 38
    • 58

    Mostly Cloudy

    • 44
    • 56

    Mostly Cloudy

    • 57
    • 59

    Slight Chance Thunderstorms

    • 59
    • 73

    Mostly Cloudy

    • 55
    • 79

    Partly Sunny

    • 57
    • 73

    Partly Sunny

Today 14 Dec Atascosa

Mostly cloudy and breezy. Much cooler. Near steady temperature in the lower 50s. Temperature falling into the lower 50s. Northeast Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 14 Dec Atascosa

Mostly cloudy in the Evening, then becoming partly cloudy. Much cooler with Lows in the upper 30s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Upson Park Temperature Statistics

December Temperature

San Antonio, Stinson Municipal Airport (13 miles)

  • Lowest 9 December, 2025

    35.1 °F

  • Average December

    54.1 °F

  • Highest 7 December, 2025

    79 °F

Climate (2020–Present)

San Antonio, Stinson Municipal Airport (13 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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