Surprise Lake Weather Forecast

    • 61
    • 79

    Partly Sunny

    • 63
    • 79

    Chance Rain Showers

    • 55
    • 78

    Chance Thunderstorms

    • 51
    • 68

    Partly Sunny

    • 45
    • 64

    Partly Sunny

    • 44
    • 66

    Mostly Sunny

Today 20 Aug Polk

Mostly sunny. Highs in the upper 70s. Northeast Winds around 5 Mph.

Tonight 20 Aug Polk

Mostly clear. Patchy fog through the night. Lows around 60. East Winds up to 5 Mph.

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  • Temperature Real-Time

Surprise Lake Temperature Statistics

August Temperature

L O Simenstad Municipal Airport (6.2 miles)

  • Lowest 1 August, 2025

    50.9 °F

  • Average August

    71.9 °F

  • Highest 8 August, 2025

    87.1 °F

Climate (2020–Present)

L O Simenstad Municipal Airport (6.2 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    56.6 °F
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