Crystal Lake Weather Forecast

    • 51
    • 59

    Sunny

    • 54
    • 62

    Mostly Sunny

    • 55
    • 65

    Mostly Sunny

    • 54
    • 64

    Mostly Sunny

    • 54
    • 65

    Mostly Sunny

    • 51
    • 62

    Mostly Sunny

    • 52
    • 59

    Mostly Sunny

Today 16 Oct Eastern San Gabriel Mountains

Sunny. Highs from the mid 60s to mid 70s at low Elevations to the upper 40s to mid 50s at high Elevations. Northeast Winds around 15 Mph.

Tonight 16 Oct Eastern San Gabriel Mountains

Clear. Lows in the upper 40s to mid 50s except around 40 Colder Valleys and Slopes. Northeast Winds 15 to 25 Mph.

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Crystal Lake Temperature Statistics

October Temperature

Brackett Field Airport (15.5 miles)

  • Lowest 12 October, 2025

    53.6 °F

  • Average October

    68.9 °F

  • Highest 10 October, 2025

    87.8 °F

Climate (2020–Present)

Brackett Field Airport (15.5 miles)

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  • Average Low 2020–2025

    55.5 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    75.6 °F
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