Pennington / Prospect Weather Forecast

    • 66
    • 85

    Increasing Clouds

    • 69
    • 84

    Rain Showers

    • 61
    • 85

    Rain Showers Likely

    • 59
    • 79

    Mostly Sunny

    • 62
    • 82

    Mostly Sunny

    • 63
    • 83

    Partly Sunny

    • 67
    • 85

    Partly Sunny

Today 20 Jul Mercer

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph, becoming south this afternoon.

Tonight 20 Jul Mercer

Mostly clear this Evening, then becoming mostly cloudy. Warmer with Lows in the mid 60s. South Winds around 5 Mph.

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Pennington / Prospect Temperature Statistics

July Temperature

Trenton, Mercer County Airport (3.1 miles)

  • Lowest 13 July, 2026

    63.6 °F

  • Average July

    79 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (3.1 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.4 °F
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