San Jacinto Weather Forecast

    • 59
    • 78

    Isolated Thunderstorms

    • 59
    • 73

    Mostly Cloudy

    • 57
    • 71

    Mostly Cloudy

    • 54
    • 72

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 50
    • 73

    Partly Sunny

Today 21 Sep Jennings

Mostly cloudy with isolated Thunderstorms. Scattered Showers through early Afternoon, then isolated Showers late this afternoon. Not as warm with Highs in the upper 70s. Northeast Winds 5 to 10 Mph. Gusts up to 20 Mph late this afternoon. Chance of rain 50 percent.

Tonight 21 Sep Jennings

Mostly cloudy. Lows in the upper 50s. Northeast Winds 5 to 10 Mph.

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San Jacinto Temperature Statistics

September Temperature

Madison Municipal Airport (13.7 miles)

  • Lowest 14 September, 2026

    55.8 °F

  • Average September

    77 °F

  • Highest 4 September, 2026

    96.1 °F

Climate (2021–2026)

Madison Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    66 °F
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