Trenton Weather Forecast

    • 55
    • 71

    Chance Rain Showers

    • 57
    • 73

    Chance Rain Showers

    • 54
    • 75

    Chance Rain Showers

    • 52
    • 73

    Chance Rain Showers

    • 49
    • 72

    Slight Chance Rain Showers

    • 48
    • 71

    Partly Sunny

    • 49
    • 72

    Chance Rain Showers

Today 13 Sep Williams

Showers likely and a chance of Thunderstorms. Cooler. Highs in the upper 60s. East Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 60 percent.

Tonight 13 Sep Williams

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Patchy fog. Lows in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

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Trenton Temperature Statistics

September Temperature

Sidney-Richland (29.8 miles)

  • Lowest 3 September, 2025

    46 °F

  • Average September

    60.9 °F

  • Highest 1 September, 2025

    90 °F

Climate (2020–Present)

Sidney-Richland (29.8 miles)

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  • Average Low 2020–2025

    31.9 °F

  • Average 2020–2025

    44 °F

  • Average High 2020–2025

    56.3 °F
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