Plainfield Weather Forecast

    • 67
    • 91

    Areas Smoke

    • 69
    • 92

    Mostly Sunny

    • 70
    • 88

    Rain Showers Likely

    • 64
    • 89

    Chance Thunderstorms

    • 63
    • 83

    Partly Sunny

    • 66
    • 85

    Chance Thunderstorms

    • 60
    • 81

    Mostly Sunny

Today 15 Jul Western St. Joseph

Mostly sunny. Hot. Near steady temperature around 90. Northwest Winds 5 to 10 Mph. Heat index Values in the upper 90s.

Tonight 15 Jul Western St. Joseph

Mostly clear this Evening, then becoming partly cloudy. Areas of smoke after midnight. Lows in the upper 60s. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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Plainfield Temperature Statistics

July Temperature

South Bend International Airport (8.1 miles)

  • Lowest 8 July, 2026

    61.6 °F

  • Average July

    77.4 °F

  • Highest 1 July, 2026

    94.6 °F

Climate (2021–2026)

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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