Chesterton Weather Forecast

    • 42
    • 56

    Mostly Sunny

    • 45
    • 57

    Partly Sunny

    • 47
    • 59

    Partly Sunny

    • 51
    • 64

    Mostly Cloudy

    • 50
    • 59

    Slight Chance Rain Showers

    • 50
    • 60

    Slight Chance Rain Showers

Today 23 May Porter

Partly cloudy. Highs around 60 Inland, but only in the mid 50s near the lake. North Winds 5 to 10 Mph.

Tonight 23 May Porter

Partly cloudy in the Evening, then clearing. Lows in the lower 40s. Northeast Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesterton Temperature Statistics

May Temperature

Valparaiso Porter County Municipal Airport (11.2 miles)

  • Lowest 9 May, 2025

    37.7 °F

  • Average May

    60.2 °F

  • Highest 15 May, 2025

    91.7 °F

Climate (2020–Present)

Valparaiso Porter County Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    51.8 °F

  • Average High 2020–2025

    61.3 °F
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