Cottonwood One County Park Weather Forecast

    • 50
    • 78

    Mostly Sunny

    • 48
    • 77

    Mostly Sunny

    • 48
    • 74

    Mostly Cloudy

    • 49
    • 72

    Partly Sunny

    • 49
    • 69

    Mostly Cloudy

    • 50
    • 70

    Mostly Cloudy

Today 19 Jan San Diego County Inland Valleys

Partly cloudy in the morning. Becoming mostly sunny. Highs 74 to 79. Light Winds.

Tonight 19 Jan San Diego County Inland Valleys

Mostly clear. Lows 43 to 51 in wind Sheltered Areas to 48 to 55 in warmer Locations. Areas of Winds east 10 to 15 Mph with Gusts to 25 Mph.

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Cottonwood One County Park Temperature Statistics

January Temperature

Gillespie Field Airport (6.2 miles)

  • Lowest 10 January, 2026

    35.6 °F

  • Average January

    53.4 °F

  • Highest 14 January, 2026

    82.4 °F

Climate (2021–Present)

Gillespie Field Airport (6.2 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    60.2 °F

  • Average High 2021–2026

    75.8 °F
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