Clear Lake Weather Forecast

    • 68
    • 84

    Mostly Sunny

    • 68
    • 88

    Mostly Sunny

    • 72
    • 87

    Mostly Sunny

    • 75
    • 86

    Partly Sunny

    • 78
    • 85

    Mostly Cloudy

    • 79
    • 86

    Slight Chance Thunderstorms

Today 12 May Coastal Harris

Mostly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 12 May Coastal Harris

Partly cloudy. Near steady temperature in the upper 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

May Temperature

Houston / Ellington (6.2 miles)

  • Lowest 2 May, 2026

    55.4 °F

  • Average May

    72.5 °F

  • Highest 9 May, 2026

    89.6 °F

Climate (2021–Present)

Houston / Ellington (6.2 miles)

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  • Average Low 2021–2026

    64.3 °F

  • Average 2021–2026

    71.9 °F

  • Average High 2021–2026

    80.3 °F
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