William H Harsha Lake Weather Forecast

    • 56
    • 77

    Increasing Clouds

    • 54
    • 76

    Mostly Cloudy

    • 52
    • 76

    Sunny

    • 55
    • 78

    Sunny

    • 61
    • 82

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 68
    • 84

    Chance Thunderstorms

Today 31 May Clermont

Partly cloudy. Highs in the upper 70s. East Winds around 5 Mph.

Tonight 31 May Clermont

Partly cloudy. Lows in the mid 50s. North Winds around 5 Mph early this Evening, becoming light and Variable, then becoming northeast around 5 Mph late.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

William H Harsha Lake Temperature Statistics

May Temperature

Batavia Clermont County Airport (5.6 miles)

  • Lowest 2 May, 2026

    35.6 °F

  • Average May

    62.7 °F

  • Highest 18 May, 2026

    87.3 °F

Climate (2021–Present)

Batavia Clermont County Airport (5.6 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    65.8 °F
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