Trenton Weather Forecast

    • 32
    • 69

    Rain Showers

    • 24
    • 42

    Slight Chance Rain Showers

    • 26
    • 41

    Mostly Cloudy

    • 35
    • 50

    Mostly Cloudy

    • 37
    • 58

    Mostly Cloudy

    • 37
    • 56

    Slight Chance Rain Showers

Today 16 Mar Mercer

Cloudy. A chance of Showers and Thunderstorms this Morning, then Showers with a chance of Thunderstorms this afternoon. Some Thunderstorms may be severe with damaging Winds and small hail this afternoon. Locally heavy rainfall possible this afternoon. Much warmer with Highs in the upper 60s. South Winds 15 to 20 Mph. Gusts up to 45 Mph this afternoon. Chance of rain 90 percent.

Tonight 16 Mar Mercer

Rain Showers with a chance of Thunderstorms in the Evening, then rain Showers likely after midnight. Some Thunderstorms may be severe with damaging Winds and small hail. Locally heavy rainfall possible in the evening. Breezy, Colder with Lows in the lower 30s. South Winds 20 to 25 Mph, becoming west 15 to 25 Mph after midnight. Gusts up to 45 Mph. Chance of rain near 100 percent.

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Trenton Temperature Statistics

March Temperature

Trenton, Mercer County Airport (5.6 miles)

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    45.2 °F

  • Highest 10 March, 2026

    79 °F

Climate (2021–Present)

Trenton, Mercer County Airport (5.6 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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