Trenton Weather Forecast

    • 76
    • 90

    Isolated Thunderstorms

    • 76
    • 94

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

    • 75
    • 91

    Chance Thunderstorms

    • 76
    • 91

    Chance Thunderstorms

    • 75
    • 92

    Slight Chance Thunderstorms

Today 22 Jul Clinton

Mostly cloudy. Patchy fog this morning. A slight chance of Showers and Thunderstorms this afternoon. Highs around 90. Southeast Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 106.

Tonight 22 Jul Clinton

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 104 early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Trenton Temperature Statistics

July Temperature

Belleville, Scott AFB/MidAmerica Airport (9.3 miles)

  • Lowest 2 July, 2025

    65.8 °F

  • Average July

    80 °F

  • Highest 11 July, 2025

    94.6 °F

Climate (2020–Present)

Belleville, Scott AFB/MidAmerica Airport (9.3 miles)

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

  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    67.3 °F
Get WillyWeather+ to remove ads