Dayton Weather Forecast

    • 8
    • 20

    Mostly Cloudy

    • 11
    • 25

    Mostly Cloudy

    • 7
    • 32

    Mostly Sunny

    • 13
    • 32

    Partly Sunny

    • 10
    • 31

    Slight Chance Snow

    • 8
    • 29

    Partly Sunny

Today 31 Jan Middlesex

Mostly sunny. Cold with Highs around 20. Northwest Winds around 5 Mph.

Tonight 31 Jan Middlesex

Mostly cloudy. Not as cold with Lows around 9 above. North Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight. Wind chill Values as low as 7 below after midnight.

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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

    28.9 °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 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.3 °F
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