Mercer County Park Weather Forecast

    • 62
    • 81

    Mostly Sunny

    • 65
    • 85

    Partly Sunny

    • 71
    • 90

    Mostly Sunny

    • 75
    • 97

    Hot

    • 72
    • 94

    Chance Thunderstorms

    • 70
    • 87

    Chance Thunderstorms

Today 22 Jul Mercer

Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 22 Jul Mercer

Mostly clear. Lows in the lower 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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Mercer County Park Temperature Statistics

July Temperature

Trenton, Mercer County Airport (8.7 miles)

  • Lowest 5 July, 2025

    59.6 °F

  • Average July

    78.6 °F

  • Highest 8 July, 2025

    93.7 °F

Climate (2020–Present)

Trenton, Mercer County Airport (8.7 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    64.4 °F
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