Pennington Weather Forecast

    • 62
    • 79

    Chance Rain Showers

    • 61
    • 79

    Chance Thunderstorms

    • 63
    • 84

    Slight Chance Thunderstorms

    • 65
    • 86

    Mostly Cloudy

    • 66
    • 83

    Chance Rain Showers

    • 66
    • 84

    Chance Rain Showers

Today 29 Jul Mercer

Partly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers with a slight chance of Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the morning. Humid with Highs in the upper 70s. Northwest Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 29 Jul Mercer

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy after midnight. Humid with Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Pennington Temperature Statistics

July Temperature

Trenton, Mercer County Airport (3.7 miles)

  • Lowest 20 July, 2026

    57.7 °F

  • Average July

    77.2 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (3.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.4 °F
Get WillyWeather+ to remove ads