Crest Weather Forecast

    • 55
    • 78

    Mostly Sunny

    • 57
    • 79

    Sunny

    • 57
    • 81

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

Today 31 Oct San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Areas of fog this morning. Highs 77 to 81 in the western Valleys to 79 to 84 near the Foothills. Light Winds becoming west 10 Mph this afternoon.

Tonight 31 Oct San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 51 to 55 in wind Sheltered Areas to 54 to 59 in warmer Locations. Light Winds.

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Crest Temperature Statistics

October Temperature

Gillespie Field Airport (6.2 miles)

  • Lowest 16 October, 2025

    48.2 °F

  • Average October

    62.8 °F

  • Highest 29 October, 2025

    95 °F

Climate (2020–Present)

Gillespie Field Airport (6.2 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.8 °F
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