Plainfield Weather Forecast

    • 65
    • 74

    Rain Showers

    • 53
    • 80

    Partly Sunny

    • 48
    • 69

    Mostly Sunny

    • 57
    • 75

    Partly Sunny

    • 58
    • 77

    Slight Chance Rain Showers

    • 53
    • 73

    Mostly Cloudy

Today 9 Sep Sullivan

Cloudy. A chance of Sprinkles in the Morning, then a chance of Showers in the afternoon. Highs in the mid 70s. Light and variable Winds, becoming south around 10 Mph in the afternoon. Chance of rain 40 percent.

Tonight 9 Sep Sullivan

Cloudy. A chance of Showers in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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Plainfield Temperature Statistics

September Temperature

Lebanon Municipal Airport (5.6 miles)

  • Lowest 6 September, 2026

    50 °F
  • Average September

    64.2 °F
  • Highest 4 September, 2026

    80.1 °F

Climate (2021–2026)

Lebanon Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    37.9 °F
  • Average 2021–2026

    48.7 °F
  • Average High 2021–2026

    59.7 °F
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