Downtown (San Antonio) Weather Forecast

    • 78
    • 98

    Slight Chance Thunderstorms

    • 76
    • 99

    Hot

    • 76
    • 99

    Hot

    • 77
    • 99

    Hot

    • 77
    • 99

    Hot

    • 77
    • 101

    Hot

Today 14 Aug Bexar

Partly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 90s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 14 Aug Bexar

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 70s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Downtown (San Antonio) Temperature Statistics

August Temperature

San Antonio, Stinson Municipal Airport (6.2 miles)

  • Lowest 3 August, 2026

    74.6 °F

  • Average August

    89.5 °F

  • Highest 1 August, 2026

    102.7 °F

Climate (2021–2026)

San Antonio, Stinson Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    73.8 °F

  • Average High 2021–2026

    85.3 °F
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