Downtown (San Antonio) Weather Forecast

    • 78
    • 99

    Hot

    • 77
    • 100

    Hot

    • 78
    • 100

    Hot

    • 78
    • 98

    Hot

    • 77
    • 99

    Hot

    • 77
    • 98

    Hot

Today 11 Aug Bexar

Partly cloudy this Morning, then becoming mostly sunny. Highs in the upper 90s. South Winds 10 to 15 Mph. Highest heat index Readings up to 107.

Tonight 11 Aug Bexar

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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  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown (San Antonio) Temperature Statistics

August Temperature

San Antonio, Stinson Municipal Airport (6.2 miles)

  • Lowest 3 August, 2026

    74.6 °F
  • Average August

    89.3 °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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