Pennington Weather Forecast

    • 71
    • 94

    Rain Showers Likely

    • 70
    • 89

    Chance Thunderstorms

    • 70
    • 86

    Rain Showers

    • 69
    • 87

    Chance Thunderstorms

    • 70
    • 88

    Chance Thunderstorms

    • 69
    • 87

    Chance Thunderstorms

Today 8 Jul Mercer

Mostly sunny. Showers likely with a chance of Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Locally heavy rainfall possible this afternoon. Hot with Highs in the mid 90s. West Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 8 Jul Mercer

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Locally heavy rainfall possible in the evening. 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

    60.1 °F
  • Average July

    75.5 °F
  • Highest 1 July, 2025

    89.1 °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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