Chesterton Weather Forecast

    • 54
    • 70

    Mostly Sunny

    • 60
    • 74

    Partly Sunny

    • 54
    • 73

    Chance Thunderstorms

    • 51
    • 67

    Partly Sunny

    • 54
    • 71

    Partly Sunny

    • 56
    • 74

    Partly Sunny

    • 58
    • 76

    Partly Sunny

Today 26 Aug Porter

Partly cloudy. Highs around 70. Northwest Winds 5 to 10 Mph.

Tonight 26 Aug Porter

Partly cloudy early in the Evening, then becoming mostly clear. Lows in the upper 40s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesterton Temperature Statistics

August Temperature

Valparaiso Porter County Municipal Airport (11.2 miles)

  • Lowest 3 August, 2025

    55.7 °F

  • Average August

    74.6 °F

  • Highest 16 August, 2025

    93.7 °F

Climate (2020–Present)

Valparaiso Porter County Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.4 °F
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