Clark County Airport Weather Forecast

    • 62
    • 80

    Increasing Clouds

    • 60
    • 84

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 59
    • 78

    Partly Sunny

    • 61
    • 79

    Slight Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

Today 19 Aug Clark

Partly sunny. Thunderstorms likely this morning. Highs around 80. Southeast Winds 5 to 10 Mph, becoming southwest this afternoon. Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 19 Aug Clark

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 60s. South Winds 5 to 10 Mph.

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Clark County Airport Temperature Statistics

August Temperature

Watertown, Watertown Municipal Airport (27.3 miles)

  • Lowest 4 August, 2026

    53.7 °F

  • Average August

    70.1 °F

  • Highest 3 August, 2026

    87.7 °F

Climate (2021–2026)

Watertown, Watertown Municipal Airport (27.3 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    55.9 °F
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