Clear Lake Weather Forecast

    • 50
    • 69

    Becoming Sunny

    • 55
    • 76

    Patchy Smoke

    • 63
    • 85

    Mostly Sunny

    • 65
    • 92

    Mostly Sunny

    • 65
    • 96

    Mostly Sunny

    • 67
    • 95

    Slight Chance Thunderstorms

Today 4 Aug Brown

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms late in the morning. Highs in the upper 60s. North Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 4 Aug Brown

Mostly cloudy in the evening then clearing. Lows around 50. Light and variable Winds.

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Clear Lake Temperature Statistics

August Temperature

Ainsworth Regional Airport (21.7 miles)

  • Lowest 1 August, 2026

    59 °F

  • Average August

    72.6 °F

  • Highest 2 August, 2026

    92.7 °F

Climate (2021–2026)

Ainsworth Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
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