San Antonio International Airport Weather Forecast

    • 70
    • 86

    Slight Chance Thunderstorms

    • 70
    • 91

    Mostly Cloudy

    • 72
    • 91

    Mostly Cloudy

    • 72
    • 94

    Mostly Cloudy

    • 70
    • 94

    Mostly Cloudy

    • 69
    • 92

    Slight Chance Thunderstorms

Today 24 Apr Bexar

Cloudy this Morning, then partly cloudy with a slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 24 Apr Bexar

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Antonio International Airport Temperature Statistics

April Temperature

San Antonio, San Antonio International Airport (0 miles)

  • Lowest 19 April, 2026

    48 °F

  • Average April

    72.9 °F

  • Highest 1 April, 2026

    91.7 °F

Climate (2021–Present)

San Antonio, San Antonio International Airport (0 miles)

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  • Average Low 2021–2026

    62.2 °F

  • Average 2021–2026

    72 °F

  • Average High 2021–2026

    83.2 °F
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