Dayton Weather Forecast

    • 24
    • 47

    Breezy

    • 23
    • 33

    Decreasing Clouds

    • 22
    • 34

    Chance Snow

    • 16
    • 31

    Partly Sunny

    • 20
    • 33

    Mostly Cloudy

    • 20
    • 36

    Mostly Cloudy

    • 21
    • 35

    Mostly Cloudy

Today 29 Dec Middlesex

Patchy fog this morning. Showers, mainly this morning. Breezy and not as cool with Highs in the lower 50s. Temperature falling into the lower 40s this afternoon. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming west 15 to 25 Mph with Gusts up to 45 Mph this afternoon. Chance of rain near 100 percent.

Tonight 29 Dec Middlesex

Partly cloudy and Blustery, cold with Lows in the mid 20s. West Winds 20 to 25 Mph with Gusts up to 45 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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