Crystal Lake Weather Forecast

    • 65
    • 91

    Becoming Sunny

    • 60
    • 88

    Mostly Sunny

    • 59
    • 87

    Rain Showers Likely

    • 61
    • 88

    Slight Chance Thunderstorms

    • 63
    • 91

    Chance Thunderstorms

    • 67
    • 94

    Slight Chance Thunderstorms

Today 28 Jun Brown

Sunny. Highs around 90. Northwest Winds 10 to 15 Mph, becoming northeast in the afternoon.

Tonight 28 Jun Brown

Mostly clear. Lows in the mid 60s. Southeast Winds 10 to 15 Mph. Gusts up to 35 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

June Temperature

Ainsworth Regional Airport (19.3 miles)

  • Lowest 14 June, 2026

    43.7 °F

  • Average June

    67.5 °F

  • Highest 16 June, 2026

    91.4 °F

Climate (2021–2026)

Ainsworth Regional Airport (19.3 miles)

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  • Average Low 2021–2026

    38 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    62.5 °F
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