Upson Park Weather Forecast

    • 71
    • 92

    Chance Thunderstorms

    • 71
    • 87

    Rain Showers Likely

    • 67
    • 91

    Slight Chance Thunderstorms

    • 68
    • 93

    Sunny

    • 69
    • 94

    Sunny

    • 70
    • 95

    Mostly Sunny

    • 70
    • 94

    Mostly Sunny

Today 6 Sep Atascosa

Partly cloudy. A slight chance of Showers this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 90s. East Winds 5 to 10 Mph, becoming northeast with Gusts up to 20 Mph this afternoon. Chance of rain 30 percent.

Tonight 6 Sep Atascosa

Partly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Upson Park Temperature Statistics

September Temperature

San Antonio, Stinson Municipal Airport (13 miles)

  • Lowest 4 September, 2025

    71.1 °F

  • Average September

    85.3 °F

  • Highest 4 September, 2025

    102 °F

Climate (2020–Present)

San Antonio, Stinson Municipal Airport (13 miles)

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  • Average Low 2020–2025

    62.1 °F

  • Average 2020–2025

    72.8 °F

  • Average High 2020–2025

    84.4 °F
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