Crystal Lake Weather Forecast

    • 23
    • 37

    Mostly Sunny

    • 7
    • 34

    Slight Chance Snow Showers

    • 17
    • 23

    Slight Chance Snow

    • 20
    • 33

    Chance Rain

    • 16
    • 35

    Mostly Cloudy

    • 7
    • 23

    Partly Sunny

Today 3 Dec Tolland

Mostly sunny. Highs in the upper 30s. Northwest Winds 5 to 10 Mph. Gusts up to 20 Mph.

Tonight 3 Dec Tolland

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 20s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

December Temperature

Windsor Locks, Bradley International Airport (15.5 miles)

  • Lowest 1 December, 2025

    21.9 °F

  • Average December

    34.4 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Windsor Locks, Bradley International Airport (15.5 miles)

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  • Average Low 2020–2025

    43.9 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    63.4 °F
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