Lost Lake Weather Forecast

    • 77
    • 96

    Chance Rain Showers

    • 77
    • 96

    Partly Sunny

    • 73
    • 95

    Mostly Sunny

    • 75
    • 93

    Partly Sunny

    • 76
    • 92

    Slight Chance Thunderstorms

    • 75
    • 91

    Slight Chance Thunderstorms

    • 76
    • 90

    Chance Thunderstorms

Today 22 Sep Chambers

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Chance of rain 50 percent.

Tonight 22 Sep Chambers

Mostly clear. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 70s. Southeast Winds around 5 Mph this Evening, becoming light and variable. Chance of rain 20 percent. Heat index Values up to 109 early this evening.

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Lost Lake Temperature Statistics

September Temperature

Houston / Ellington (28.6 miles)

  • Lowest 19 September, 2026

    75.2 °F

  • Average September

    84 °F

  • Highest 7 September, 2026

    95 °F

Climate (2021–2026)

Houston / Ellington (28.6 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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