Portage Lake Weather Forecast

    • 68
    • 88

    Rain Showers Likely

    • 66
    • 85

    Rain Showers Likely

    • 59
    • 81

    Chance Thunderstorms

    • 59
    • 81

    Partly Sunny

    • 60
    • 81

    Partly Sunny

    • 64
    • 80

    Partly Sunny

Today 3 Sep Kalamazoo

Mostly sunny with a 30 percent chance of Showers and Thunderstorms. Highs in the upper 80s. Southwest Winds 5 to 10 Mph becoming west with Gusts to around 20 Mph in the afternoon. Heat index Readings 91 to 96.

Tonight 3 Sep Kalamazoo

Showers likely and a chance of Thunderstorms after midnight. Lows in the upper 60s. Light Winds. Chance of rain 70 percent.

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Portage Lake Temperature Statistics

September Temperature

W K Kellogg Airport (6.2 miles)

  • Lowest

  • Average September

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Climate (2021–2026)

W K Kellogg Airport (6.2 miles)

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  • Average Low 2021–2026

    42.4 °F
  • Average 2021–2026

    51.6 °F
  • Average High 2021–2026

    60.7 °F
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