Great Northwest Weather Forecast

    • 76
    • 95

    Slight Chance Thunderstorms

    • 76
    • 95

    Partly Sunny

    • 76
    • 94

    Partly Sunny

    • 74
    • 94

    Partly Sunny

    • 76
    • 93

    Partly Sunny

    • 75
    • 93

    Partly Sunny

    • 75
    • 93

    Partly Sunny

Today 22 Sep Bexar

Mostly cloudy. A slight chance of Showers in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent.

Tonight 22 Sep Bexar

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms this evening. Lows in the mid 70s. Southeast Winds 5 to 10 Mph, becoming northeast after midnight. Chance of rain 30 percent.

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Great Northwest Temperature Statistics

September Temperature

San Antonio - Kelly Field (8.7 miles)

  • Lowest 20 September, 2026

    75.2 °F

  • Average September

    87.5 °F

  • Highest 11 September, 2026

    101.6 °F

Climate (2021–2026)

San Antonio - Kelly Field (8.7 miles)

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  • Average Low 2021–2026

    62.1 °F

  • Average 2021–2026

    72.8 °F

  • Average High 2021–2026

    84 °F
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