Chesterton Weather Forecast

    • 54
    • 69

    Partly Sunny

    • 50
    • 63

    Slight Chance Rain Showers

    • 54
    • 69

    Partly Sunny

    • 61
    • 73

    Mostly Cloudy

    • 53
    • 71

    Rain Showers Likely

    • 47
    • 62

    Chance Rain Showers

Today 14 Oct Porter

Mostly cloudy in the Morning, then becoming partly cloudy. Highs in the lower 70s. North Winds 5 to 10 Mph.

Tonight 14 Oct Porter

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers after midnight. Lows in the lower 50s. Northeast Winds 5 to 10 Mph. Chance of precipitation 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Chesterton Temperature Statistics

October Temperature

Valparaiso Porter County Municipal Airport (11.2 miles)

  • Lowest 9 October, 2025

    39.9 °F

  • Average October

    63.7 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

Valparaiso Porter County Municipal Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.5 °F
Get WillyWeather+ to remove ads