Crystal Lake Weather Forecast

    • 51
    • 71

    Becoming Sunny

    • 55
    • 78

    Breezy

    • 53
    • 81

    Mostly Sunny

    • 54
    • 74

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

Today 4 Oct Brown

Sunny. Highs in the upper 60s. Light and variable Winds, becoming southeast up to 10 Mph in the afternoon.

Tonight 4 Oct Brown

Clear. Lows in the lower 50s. South Winds 10 to 15 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

October Temperature

Ainsworth Regional Airport (19.3 miles)

  • Lowest 1 October, 2026

    49.1 °F

  • Average October

    57.3 °F

  • Highest 1 October, 2026

    64 °F

Climate (2021–2026)

Ainsworth Regional Airport (19.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
Get WillyWeather+ to remove ads