Cottonwood One County Park Weather Forecast

    • 57
    • 84

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 53
    • 71

    Partly Sunny

    • 56
    • 76

    Mostly Sunny

    • 56
    • 80

    Partly Sunny

    • 56
    • 76

    Mostly Cloudy

Today 20 Oct San Diego County Inland Valleys

Mostly sunny. Highs 79 to 83 in the western Valleys to 81 to 86 near the Foothills. Light Winds becoming west 10 Mph in the afternoon.

Tonight 20 Oct San Diego County Inland Valleys

Mostly clear. Lows 52 to 57. Light Winds.

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Cottonwood One County Park Temperature Statistics

October Temperature

Gillespie Field Airport (6.2 miles)

  • Lowest 16 October, 2025

    48.2 °F

  • Average October

    63.4 °F

  • Highest 10 October, 2025

    84.2 °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

    75.7 °F
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