San Antonio Weather Forecast

    • 52
    • 71

    Decreasing Clouds

    • 60
    • 74

    Mostly Cloudy

    • 40
    • 70

    Rain Showers

    • 22
    • 42

    Rain/Freezing Rain Likely

    • 19
    • 36

    Partly Sunny

    • 21
    • 42

    Mostly Sunny

Today 21 Jan Bexar

Mostly cloudy. A slight chance of Showers this morning. Patchy fog this morning. Highs in the upper 60s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 21 Jan Bexar

Partly cloudy. Lows in the lower 50s. Northeast Winds around 5 Mph.

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San Antonio Temperature Statistics

January Temperature

San Antonio, Stinson Municipal Airport (5.6 miles)

  • Lowest 18 January, 2026

    26.1 °F

  • Average January

    58.6 °F

  • Highest 2 January, 2026

    88 °F

Climate (2021–Present)

San Antonio, Stinson Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    62.7 °F

  • Average 2021–2026

    73.3 °F

  • Average High 2021–2026

    84.8 °F
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