Crystal Lake Weather Forecast

    • 76
    • 93

    Slight Chance Thunderstorms

    • 68
    • 93

    Patchy Smoke

    • 66
    • 86

    Mostly Sunny

    • 67
    • 88

    Partly Sunny

    • 66
    • 86

    Chance Thunderstorms

    • 64
    • 83

    Slight Chance Thunderstorms

Today 26 Jul Hancock

Partly sunny. Near steady temperature in the lower 90s. South Winds 5 to 10 Mph. Heat index Values up to 115.

Tonight 26 Jul Hancock

Partly sunny Early, then becoming partly cloudy. A slight chance of Showers. A slight chance of Thunderstorms. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 115 early early.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

July Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 23 July, 2026

    50 °F

  • Average July

    72.9 °F

  • Highest 16 July, 2026

    89.6 °F

Climate (2021–2026)

Forest City Municipal Airport (8.1 miles)

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

  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    57.3 °F
Get WillyWeather+ to remove ads