San Antonio Weather Forecast

    • 71
    • 92

    Increasing Clouds

    • 75
    • 91

    Mostly Cloudy

    • 79
    • 91

    Slight Chance Thunderstorms

    • 78
    • 91

    Chance Thunderstorms

    • 76
    • 89

    Chance Thunderstorms

    • 73
    • 86

    Rain Showers Likely

Today 15 May Bexar

Mostly cloudy. Highs in the lower 90s. South Winds 15 to 20 Mph.

Tonight 15 May Bexar

Mostly cloudy. Lows around 70. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to around 10 Mph with Gusts up to 20 Mph after midnight.

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San Antonio Temperature Statistics

May Temperature

San Antonio, Stinson Municipal Airport (5.6 miles)

  • Lowest 2 May, 2026

    53.7 °F

  • Average May

    72.7 °F

  • Highest 9 May, 2026

    91.7 °F

Climate (2021–Present)

San Antonio, Stinson Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    63 °F

  • Average 2021–2026

    73.7 °F

  • Average High 2021–2026

    85.2 °F
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