Williamstown Lake Weather Forecast

    • 41
    • 52

    Chance Rain

    • 19
    • 44

    Chance Rain/Snow

    • 20
    • 28

    Mostly Cloudy

    • 25
    • 38

    Chance Snow

    • 11
    • 30

    Slight Chance Snow

    • 13
    • 24

    Mostly Cloudy

Today 13 Jan Grant

Partly cloudy. Mild with Highs in the lower 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 13 Jan Grant

Mostly cloudy. A chance of Rain, mainly after midnight. Mild with Lows in the lower 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Lake Temperature Statistics

January Temperature

Cincinnati/Northern Kentucky International Airport (26.7 miles)

  • Lowest 4 January, 2026

    19 °F

  • Average January

    38.9 °F

  • Highest 9 January, 2026

    64.9 °F

Climate (2021–Present)

Cincinnati/Northern Kentucky International Airport (26.7 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    56.5 °F

  • Average High 2021–2026

    65.8 °F
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