South Lake Weather Forecast

    • 44
    • 71

    Rain Showers Likely

    • 47
    • 64

    Rain Showers

    • 47
    • 69

    Chance Rain Showers

    • 43
    • 63

    Chance Rain Showers

    • 45
    • 65

    Slight Chance Rain Showers

    • 47
    • 68

    Mostly Cloudy

Today 18 Sep Lake

Mostly sunny in the morning then becoming mostly cloudy. Highs in the upper 60s. Northeast Winds around 5 Mph.

Tonight 18 Sep Lake

Cloudy with a 50 percent chance of rain Showers. Lows in the mid 40s. Light Winds becoming east 5 to 10 Mph after midnight. Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Lake Temperature Statistics

September Temperature

Big Rapids, Roben-Hood Airport (18 miles)

  • Lowest 14 September, 2026

    39.2 °F

  • Average September

    66.5 °F

  • Highest 1 September, 2026

    87.8 °F

Climate (2021–2026)

Big Rapids, Roben-Hood Airport (18 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    57.2 °F
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