Dayton Weather Forecast

    • 0
    • 22

    Partly Sunny

    • -1
    • 21

    Mostly Sunny

    • -3
    • 18

    Mostly Sunny

    • 10
    • 19

    Mostly Sunny

    • 15
    • 25

    Partly Sunny

Today 28 Jan Middlesex

Mostly cloudy with scattered Flurries. Cold with Highs in the lower 20s. West Winds 5 to 10 Mph.

Tonight 28 Jan Middlesex

Mostly cloudy with scattered Flurries in the Evening, then partly cloudy after midnight. Colder with Lows around 1 above. West Winds 5 to 10 Mph.

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Dayton Temperature Statistics

January Temperature

Trenton, Mercer County Airport (17.4 miles)

  • Lowest 21 January, 2026

    -0.3 °F

  • Average January

    30.6 °F

  • Highest 14 January, 2026

    54.6 °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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