Clear Lake Weather Forecast

    • 65
    • 76

    Mostly Cloudy

    • 67
    • 82

    Mostly Cloudy

    • 68
    • 83

    Mostly Cloudy

    • 69
    • 81

    Chance Rain Showers

    • 69
    • 85

    Chance Thunderstorms

    • 68
    • 85

    Slight Chance Thunderstorms

Today 23 Apr Hays

Partly cloudy. Highs in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 23 Apr Hays

Partly cloudy in the Evening, then becoming cloudy. Patchy fog after midnight. Not as cool with Lows in the mid 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

April Temperature

San Marcos, San Marcos Municipal Airport (18.6 miles)

  • Lowest 3 April, 2024

    45 °F

  • Average April

    70.1 °F

  • Highest 18 April, 2024

    88 °F

Climate (2019–Present)

San Marcos, San Marcos Municipal Airport (18.6 miles)

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  • Average Low 2019–2024

    58.7 °F

  • Average 2019–2024

    69.4 °F

  • Average High 2019–2024

    81.5 °F
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