South Haynes Lake Weather Forecast

    • 44
    • 65

    Mostly Cloudy

    • 43
    • 64

    Mostly Sunny

    • 47
    • 61

    Rain Showers

    • 44
    • 63

    Partly Sunny

    • 47
    • 66

    Mostly Cloudy

    • 47
    • 69

    Partly Sunny

    • 47
    • 68

    Partly Sunny

Today 12 Sep North Cass

Partly sunny and much cooler. Near steady temperature in the lower 60s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 12 Sep North Cass

Mostly cloudy. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Haynes Lake Temperature Statistics

September Temperature

Pine River Regional Airport (15.5 miles)

  • Lowest 10 September, 2026

    43 °F

  • Average September

    67.5 °F

  • Highest 3 September, 2026

    83.7 °F

Climate (2021–2026)

Pine River Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    32.4 °F

  • Average 2021–2026

    42.9 °F

  • Average High 2021–2026

    52.6 °F
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