Clear Lake Weather Forecast

    • 56
    • 69

    Rain Showers Likely

    • 50
    • 65

    Chance Rain Showers

    • 54
    • 71

    Slight Chance Thunderstorms

    • 57
    • 76

    Partly Sunny

    • 58
    • 80

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

Today 17 Sep Holt

A chance of Thunderstorms. Showers likely. Highs around 70. Southeast Winds around 10 Mph. Chance of precipitation 70 percent.

Tonight 17 Sep Holt

Mostly cloudy. Scattered Showers with a chance of Thunderstorms this Evening, then isolated Showers after midnight. Patchy fog after midnight. Lows in the upper 50s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

September Temperature

O'Neill / Baker Field (28.6 miles)

  • Lowest 15 September, 2025

    55.6 °F

  • Average September

    71.5 °F

  • Highest 12 September, 2025

    91.6 °F

Climate (2020–Present)

O'Neill / Baker Field (28.6 miles)

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  • Average Low 2020–2025

    38.2 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    61.1 °F
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