Cottonwood Two County Park Weather Forecast

    • 61
    • 87

    Sunny

    • 60
    • 85

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 59
    • 79

    Rain Showers

    • 55
    • 70

    Rain Showers Likely

    • 55
    • 72

    Mostly Sunny

    • 57
    • 78

    Mostly Sunny

Today 18 Oct San Diego County Inland Valleys

Partly cloudy. Highs around 77 in the western Valleys to 69 to 74 near the Foothills.

Tonight 18 Oct San Diego County Inland Valleys

Clear. Lows 55 to 61. Areas of Winds east to 10 Mph this evening becoming light.

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Cottonwood Two County Park Temperature Statistics

October Temperature

Gillespie Field Airport (6.2 miles)

  • Lowest 14 October, 2026

    50 °F

  • Average October

    72.7 °F

  • Highest 3 October, 2026

    105.8 °F

Climate (2021–2026)

Gillespie Field Airport (6.2 miles)

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  • Average Low 2021–2026

    53.7 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    76.5 °F
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