Pennington Weather Forecast

    • 71
    • 83

    Rain Showers

    • 71
    • 93

    Mostly Sunny

    • 73
    • 96

    Mostly Sunny

    • 71
    • 95

    Chance Thunderstorms

    • 64
    • 83

    Rain Showers Likely

    • 59
    • 80

    Mostly Sunny

Today 27 Jul Mercer

A chance of Thunderstorms. A chance of Showers in the Morning, then Showers in the afternoon. Humid with Highs in the lower 80s. South Winds around 5 Mph. Chance of rain near 100 percent.

Tonight 27 Jul Mercer

Mostly cloudy with Showers likely with a chance of Thunderstorms in the Evening, then partly cloudy with a chance of Showers after midnight. Humid with Lows in the lower 70s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 70 percent.

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Pennington Temperature Statistics

July Temperature

Trenton, Mercer County Airport (3.7 miles)

  • Lowest 5 July, 2025

    59.6 °F
  • Average July

    78.1 °F
  • Highest 8 July, 2025

    93.7 °F

Climate (2020–Present)

Trenton, Mercer County Airport (3.7 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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