Plainfield Weather Forecast

    • 50
    • 65

    Rain Showers

    • 37
    • 57

    Rain Showers

    • 35
    • 55

    Sunny

    • 39
    • 64

    Mostly Sunny

    • 42
    • 67

    Partly Sunny

    • 45
    • 70

    Mostly Sunny

Today 15 Oct Western St. Joseph

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Highs in the mid 60s. East Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 80 percent.

Tonight 15 Oct Western St. Joseph

Showers with a chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Lows around 50. Southeast Winds around 10 Mph, becoming southwest with Gusts up to 25 Mph after midnight. Chance of rain 80 percent.

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Plainfield Temperature Statistics

October Temperature

South Bend International Airport (8.1 miles)

  • Lowest 3 October, 2026

    43.6 °F

  • Average October

    61.6 °F

  • Highest 12 October, 2026

    86 °F

Climate (2021–2026)

South Bend International Airport (8.1 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    61.9 °F
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