Crystal Lake Weather Forecast

    • 62
    • 79

    Rain Showers Likely

    • 64
    • 86

    Chance Rain Showers

    • 62
    • 82

    Chance Rain Showers

    • 60
    • 82

    Slight Chance Rain Showers

    • 61
    • 82

    Chance Thunderstorms

    • 64
    • 84

    Chance Thunderstorms

Today 23 Aug Brown

Mostly cloudy with a chance of Showers and Thunderstorms in the Morning, then partly sunny with a slight chance of Showers and Thunderstorms in the afternoon. Highs in the lower 80s. South Winds 10 to 20 Mph. Chance of precipitation 50 percent.

Tonight 23 Aug Brown

Partly cloudy with a slight chance of Thunderstorms. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the mid 60s. South Winds 10 to 20 Mph. Chance of precipitation 30 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

August Temperature

Ainsworth Regional Airport (19.3 miles)

  • Lowest 5 August, 2026

    48.4 °F

  • Average August

    71.7 °F

  • Highest 2 August, 2026

    92.7 °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 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
Get WillyWeather+ to remove ads