Dayton Weather Forecast

    • 28
    • 38

    Chance Snow

    • 18
    • 35

    Snow Likely

    • 11
    • 34

    Partly Sunny

    • 9
    • 22

    Mostly Sunny

    • 26
    • 34

    Mostly Cloudy

    • 21
    • 39

    Slight Chance Rain/Snow

Today 17 Jan Middlesex

Mostly cloudy. A chance of snow late this Morning, then rain and snow this afternoon. Little or no snow accumulation. Highs in the upper 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 80 percent.

Tonight 17 Jan Middlesex

Mostly cloudy. A chance of snow after midnight. Cold. Near steady temperature in the lower 30s. Southwest Winds around 5 Mph. Chance of snow 40 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

    35.2 °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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