San Antonio Weather Forecast

    • 53
    • 78

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 58
    • 90

    Sunny

    • 60
    • 92

    Sunny

    • 60
    • 93

    Sunny

    • 60
    • 89

    Mostly Sunny

    • 61
    • 89

    Mostly Sunny

Today 18 Mar Bexar

Mostly sunny. Not as cool with Highs in the upper 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 18 Mar Bexar

Mostly clear. Lows in the lower 50s. Southeast Winds 5 to 10 Mph, becoming south after midnight.

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San Antonio Temperature Statistics

March Temperature

San Antonio, Stinson Municipal Airport (5.6 miles)

  • Lowest 16 March, 2026

    44.1 °F

  • Average March

    70.9 °F

  • Highest 15 March, 2026

    97 °F

Climate (2021–Present)

San Antonio, Stinson Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    62.9 °F

  • Average 2021–2026

    73.6 °F

  • Average High 2021–2026

    85.1 °F
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