Porter County Municipal Airport Weather Forecast

    • 62
    • 79

    Chance Rain Showers

    • 59
    • 75

    Rain Showers Likely

    • 64
    • 83

    Rain Showers

    • 53
    • 74

    Chance Rain Showers

    • 50
    • 68

    Chance Rain Showers

    • 52
    • 70

    Mostly Cloudy

Today 17 Sep Porter

Patchy fog early in the morning. Showers and a chance of Thunderstorms in the morning. Locally heavy rainfall possible in the morning. Highs in the upper 70s Inland, but only in the mid 70s near the lake. West Winds around 5 Mph, becoming northwest in the afternoon. Chance of precipitation near 100 percent.

Tonight 17 Sep Porter

Mostly cloudy. Lows in the mid 60s. Northeast Winds around 5 Mph.

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Porter County Municipal Airport Temperature Statistics

September Temperature

Valparaiso Porter County Municipal Airport (0 miles)

  • Lowest 14 September, 2026

    46 °F

  • Average September

    73.6 °F

  • Highest 2 September, 2026

    93.7 °F

Climate (2021–2026)

Valparaiso Porter County Municipal Airport (0 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.7 °F
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