Mercer County Park Weather Forecast

    • 31
    • 51

    Mostly Cloudy

    • 45
    • 61

    Rain Likely

    • 41
    • 64

    Partly Sunny

    • 41
    • 68

    Rain Likely

    • 25
    • 52

    Partly Sunny

    • 29
    • 46

    Mostly Cloudy

Today 19 Mar Mercer

Mostly cloudy. Not as cool with Highs in the lower 50s. South Winds around 5 Mph.

Tonight 19 Mar Mercer

Mostly cloudy in the Evening, then becoming partly cloudy. Cold with Lows in the lower 30s. South Winds around 5 Mph.

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Mercer County Park Temperature Statistics

March Temperature

Trenton, Mercer County Airport (8.7 miles)

  • Lowest 2 March, 2026

    21.7 °F

  • Average March

    45.6 °F

  • Highest 10 March, 2026

    79 °F

Climate (2021–Present)

Trenton, Mercer County Airport (8.7 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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