Bosque San Leon Weather Forecast

    • 79
    • 95

    Decreasing Clouds

    • 75
    • 94

    Partly Sunny

    • 77
    • 92

    Partly Sunny

    • 77
    • 91

    Slight Chance Thunderstorms

    • 77
    • 92

    Partly Sunny

    • 77
    • 91

    Partly Sunny

    • 77
    • 91

    Chance Thunderstorms

Today 23 Sep Coastal Harris

Showers likely with a chance of Thunderstorms. Highs in the mid 80s. Chance of rain 60 percent.

Tonight 23 Sep Coastal Harris

Partly cloudy. Lows in the upper 70s. Southeast Winds 5 to 10 Mph, becoming northeast after midnight.

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Bosque San Leon Temperature Statistics

September Temperature

Houston / Ellington (2.5 miles)

  • Lowest 19 September, 2026

    75.2 °F

  • Average September

    84.1 °F

  • Highest 7 September, 2026

    95 °F

Climate (2021–2026)

Houston / Ellington (2.5 miles)

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  • Average Low 2021–2026

    64.4 °F

  • Average 2021–2026

    72 °F

  • Average High 2021–2026

    80.5 °F
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