Straits Lake Weather Forecast

    • 58
    • 80

    Chance Rain Showers

    • 57
    • 78

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

    • 68
    • 83

    Partly Sunny

    • 67
    • 87

    Chance Rain Showers

    • 58
    • 79

    Chance Rain Showers

Today 5 Sep Morrow

Mostly cloudy this Morning, then becoming partly sunny. Patchy fog this morning. A chance of Showers. A chance of Thunderstorms, mainly this morning. Highs around 80. West Winds around 5 Mph, becoming north this afternoon. Chance of rain 50 percent.

Tonight 5 Sep Morrow

Mostly clear. Cooler with Lows in the upper 50s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Straits Lake Temperature Statistics

September Temperature

Marion, Marion Municipal Airport (16.2 miles)

  • Lowest 2 September, 2026

    71.1 °F

  • Average September

    80.9 °F

  • Highest 3 September, 2026

    93.9 °F

Climate (2021–2026)

Marion, Marion Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.3 °F

  • Average High 2021–2026

    63 °F
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