Mercer County Park Weather Forecast

    • 68
    • 92

    Mostly Sunny

    • 71
    • 95

    Mostly Sunny

    • 55
    • 94

    Rain Showers

    • 50
    • 71

    Chance Rain Showers

    • 50
    • 67

    Rain Showers Likely

    • 54
    • 69

    Rain Showers Likely

Today 18 May Mercer

Sunny, hot with Highs in the lower 90s. South Winds 5 to 10 Mph.

Tonight 18 May Mercer

Mostly clear. Lows in the upper 60s. South Winds 5 to 10 Mph.

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Mercer County Park Temperature Statistics

May Temperature

Trenton, Mercer County Airport (8.7 miles)

  • Lowest 12 May, 2026

    40.6 °F

  • Average May

    57.8 °F

  • Highest 5 May, 2026

    82.7 °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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