Downtown (San Antonio) Weather Forecast

    • 77
    • 99

    Hot

    • 77
    • 98

    Hot

    • 77
    • 97

    Hot

    • 77
    • 97

    Mostly Sunny

    • 77
    • 96

    Partly Sunny

    • 77
    • 97

    Hot

Today 5 Aug Bexar

Partly cloudy this Morning, then clearing. Highs in the upper 90s. South Winds 10 to 15 Mph. Highest heat index Readings up to 106.

Tonight 5 Aug Bexar

Clear in the Evening, then becoming partly cloudy. Lows in the mid 70s. Southeast Winds 10 to 15 Mph.

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Downtown (San Antonio) Temperature Statistics

August Temperature

San Antonio, Stinson Municipal Airport (6.2 miles)

  • Lowest 3 August, 2026

    75 °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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