Shabbona Lake State Park Weather Forecast

    • 45
    • 73

    Mostly Sunny

    • 46
    • 73

    Mostly Sunny

    • 49
    • 72

    Partly Sunny

    • 51
    • 71

    Mostly Cloudy

    • 51
    • 72

    Mostly Cloudy

    • 47
    • 66

    Slight Chance Rain Showers

Today 21 Oct De Kalb

Sunny. Highs in the lower 70s. Southwest Winds around 5 Mph.

Tonight 21 Oct De Kalb

Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable Winds.

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Shabbona Lake State Park Temperature Statistics

October Temperature

Rochelle, Rochelle Municipal-Koritz Field Airport (15.5 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    58.3 °F

  • Highest 12 October, 2026

    89.4 °F

Climate (2021–2026)

Rochelle, Rochelle Municipal-Koritz Field Airport (15.5 miles)

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  • Average Low 2021–2026

    41.1 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    61.6 °F
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