Dayton Weather Forecast

    • 23
    • 33

    Snow Showers Likely

    • 14
    • 31

    Partly Sunny

    • 19
    • 33

    Mostly Cloudy

    • 19
    • 34

    Partly Sunny

    • 17
    • 34

    Partly Sunny

    • 25
    • 37

    Chance Snow

Today 31 Dec Middlesex

Mostly cloudy with a chance of Flurries this Morning, then partly sunny this afternoon. Highs in the lower 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 31 Dec Middlesex

Mostly cloudy with a 50 percent chance of snow Showers. Little or no snow accumulation. Cold with Lows in the lower 20s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Dayton Temperature Statistics

December Temperature

Trenton, Mercer County Airport (17.4 miles)

  • Lowest 9 December, 2025

    10.9 °F

  • Average December

    31.5 °F

  • Highest 19 December, 2025

    57 °F

Climate (2020–Present)

Trenton, Mercer County Airport (17.4 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.3 °F
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