Plainfield Weather Forecast

    • 55
    • 77

    Mostly Cloudy

    • 54
    • 77

    Partly Sunny

    • 52
    • 78

    Sunny

    • 56
    • 81

    Mostly Sunny

    • 63
    • 85

    Partly Sunny

    • 65
    • 86

    Chance Rain Showers

Today 31 May Western St. Joseph

Partly cloudy. Highs in the upper 70s. Southeast Winds 5 to 10 Mph.

Tonight 31 May Western St. Joseph

Partly cloudy. Lows in the mid 50s. Northeast Winds around 5 Mph.

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Plainfield Temperature Statistics

May Temperature

South Bend International Airport (8.1 miles)

  • Lowest 2 May, 2026

    28.7 °F

  • Average May

    57.6 °F

  • Highest 17 May, 2026

    85.6 °F

Climate (2021–Present)

South Bend International Airport (8.1 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62 °F
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