Williamstown Weather Forecast

    • 69
    • 87

    Slight Chance Thunderstorms

    • 69
    • 86

    Rain Showers Likely

    • 68
    • 86

    Slight Chance Thunderstorms

    • 70
    • 88

    Partly Sunny

    • 72
    • 89

    Chance Rain Showers

    • 69
    • 88

    Rain Showers Likely

Today 6 Aug Grant

Partly cloudy. A slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 6 Aug Grant

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then a slight chance of Showers and Thunderstorms after midnight. Muggy. Lows around 70. South Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williamstown Temperature Statistics

August Temperature

Cincinnati/Northern Kentucky International Airport (28.6 miles)

  • Lowest 3 August, 2026

    64 °F

  • Average August

    74.6 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Cincinnati/Northern Kentucky International Airport (28.6 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    56.7 °F

  • Average High 2021–2026

    66.1 °F
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