Riordan Lake Weather Forecast

    • 58
    • 76

    Decreasing Clouds

    • 54
    • 76

    Mostly Sunny

    • 55
    • 78

    Partly Sunny

    • 57
    • 78

    Chance Rain Showers

    • 60
    • 71

    Rain Showers Likely

    • 57
    • 76

    Chance Rain Showers

Today 4 Sep Central Chippewa

Partly sunny with a 20 percent chance of rain Showers. Highs in the mid 70s. East Winds up to 10 Mph.

Tonight 4 Sep Central Chippewa

Partly cloudy. A 20 percent chance of rain Showers early. Lows in the upper 50s. Light Winds.

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  • Temperature Real-Time

Riordan Lake Temperature Statistics

September Temperature

Sault Ste Marie, Chippewa County International Airport (8.1 miles)

  • Lowest 1 September, 2026

    64.9 °F

  • Average September

    70.3 °F

  • Highest 1 September, 2026

    82 °F

Climate (2021–2026)

Sault Ste Marie, Chippewa County International Airport (8.1 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    51.7 °F
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