Crystal Lake Weather Forecast

    • 54
    • 60

    Partly Sunny

    • 56
    • 61

    Mostly Sunny

    • 50
    • 65

    Mostly Sunny

    • 39
    • 57

    Chance Rain

    • 41
    • 44

    Mostly Cloudy

    • 43
    • 48

    Partly Sunny

    • 47
    • 54

    Mostly Sunny

Today 30 Apr Eastern San Gabriel Mountains

Partly cloudy. Highs from the 60s to lower 70s at low Elevations to the 50s at high Elevations. South Winds around 15 Mph in the afternoon.

Tonight 30 Apr Eastern San Gabriel Mountains

Partly cloudy except for patchy low Clouds and fog after midnight. Lows in the mid 40s to mid 50s except around 40 Colder Valleys and Slopes. South Winds around 15 Mph in the evening.

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Crystal Lake Temperature Statistics

April Temperature

Brackett Field Airport (15.5 miles)

  • Lowest 2 April, 2025

    44.6 °F

  • Average April

    64.5 °F

  • Highest 10 April, 2025

    86 °F

Climate (2020–Present)

Brackett Field Airport (15.5 miles)

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  • Average Low 2020–2025

    55.7 °F

  • Average 2020–2025

    67.8 °F

  • Average High 2020–2025

    75.7 °F
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