Simpson Lake Weather Forecast

    • 40
    • 54

    Chance Rain

    • 39
    • 52

    Mostly Cloudy

    • 40
    • 58

    Partly Sunny

    • 37
    • 57

    Chance Rain

    • 36
    • 50

    Chance Rain

    • 34
    • 52

    Partly Sunny

    • 33
    • 50

    Mostly Cloudy

Today 24 Oct Polk

Sunny. Near steady temperature in the lower 50s. South Winds 5 to 10 Mph.

Tonight 24 Oct Polk

Not as cool. Mostly cloudy. Slight chance of rain late in the evening. Chance of rain after midnight. Lows in the upper 30s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Simpson Lake Temperature Statistics

October Temperature

Rush City Regional Airport (15.5 miles)

  • Lowest 8 October, 2025

    28.4 °F

  • Average October

    54.8 °F

  • Highest 4 October, 2025

    88 °F

Climate (2020–Present)

Rush City Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    55 °F
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