Dayton Weather Forecast

    • 31
    • 52

    Cloudy

    • 19
    • 38

    Slight Chance Snow Showers

    • 26
    • 34

    Partly Sunny

    • 23
    • 42

    Slight Chance Snow

    • 18
    • 32

    Slight Chance Snow

    • 17
    • 31

    Mostly Cloudy

Today 14 Jan Middlesex

Cloudy. Highs in the lower 50s. Southwest Winds around 5 Mph.

Tonight 14 Jan Middlesex

Cloudy with a chance of rain. A chance of snow after midnight. Little or no snow accumulation. Cold with Lows in the lower 30s. South Winds around 5 Mph, becoming west with Gusts up to 20 Mph after midnight. Chance of precipitation 50 percent.

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Dayton Temperature Statistics

January Temperature

Trenton, Mercer County Airport (17.4 miles)

  • Lowest 3 January, 2026

    17.1 °F

  • Average January

    34.3 °F

  • Highest 9 January, 2026

    53.1 °F

Climate (2021–Present)

Trenton, Mercer County Airport (17.4 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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