Morrison Lake Weather Forecast

    • 59
    • 86

    Partly Sunny

    • 55
    • 80

    Partly Sunny

    • 57
    • 79

    Slight Chance Rain Showers

    • 61
    • 80

    Rain Showers Likely

    • 58
    • 77

    Chance Thunderstorms

    • 56
    • 76

    Chance Rain Showers

Today 18 Sep Ionia

Mostly sunny. A 20 percent chance of Showers in the afternoon. Highs in the mid 80s. Light Winds becoming northwest 5 to 10 Mph in the afternoon.

Tonight 18 Sep Ionia

Partly cloudy. Patchy fog after midnight. Lows in the upper 50s. North Winds around 5 Mph becoming northeast after midnight.

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Morrison Lake Temperature Statistics

September Temperature

Ionia County Airport (8.7 miles)

  • Lowest 8 September, 2025

    35.6 °F

  • Average September

    60.9 °F

  • Highest 14 September, 2025

    82.4 °F

Climate (2020–Present)

Ionia County Airport (8.7 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    58.9 °F
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