Dayton Weather Forecast

    • 31
    • 49

    Gradual Clearing

    • 31
    • 49

    Partly Sunny

    • 47
    • 55

    Rain Showers

    • 42
    • 59

    Rain Showers

    • 28
    • 51

    Slight Chance Rain Showers

    • 26
    • 39

    Partly Sunny

Today 7 Jan Middlesex

Widespread fog this morning. Mostly cloudy with a slight chance of rain this Morning, then partly sunny this afternoon. Highs in the upper 40s. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 7 Jan Middlesex

Partly cloudy in the Evening, then clearing. Cold with Lows in the lower 30s. West Winds 5 to 10 Mph.

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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

    26.4 °F

  • Highest 5 January, 2026

    35.1 °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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