Crystal Lake Weather Forecast

    • 37
    • 53

    Mostly Sunny

    • 39
    • 53

    Sunny

    • 40
    • 54

    Mostly Sunny

    • 38
    • 51

    Windy

    • 40
    • 50

    Breezy

    • 44
    • 57

    Mostly Sunny

    • 43
    • 55

    Mostly Sunny

Today 17 Jan Eastern San Gabriel Mountains

Sunny. Highs from the lower to mid 50s at low Elevations to the 40s at high Elevations. West Winds around 15 Mph.

Tonight 17 Jan Eastern San Gabriel Mountains

Mostly clear. Lows in the mid 30s to mid 40s except the mid to upper 20s Colder Valleys and Slopes. West Winds around 15 Mph in the evening.

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  • Temperature Real-Time

Crystal Lake Temperature Statistics

January Temperature

Brackett Field Airport (15.5 miles)

  • Lowest 13 January, 2025

    39.2 °F

  • Average January

    59.4 °F

  • Highest 2 January, 2025

    80.6 °F

Climate (2020–Present)

Brackett Field Airport (15.5 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    67.7 °F

  • Average High 2020–2025

    75.6 °F
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