Harry Griffen Regional Park Weather Forecast

    • 44
    • 71

    Increasing Clouds

    • 45
    • 70

    Partly Sunny

    • 47
    • 73

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

    • 49
    • 81

    Mostly Sunny

    • 46
    • 76

    Mostly Sunny

Today 3 Dec San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Highs 71 to 76. Light Winds becoming west 10 Mph this afternoon.

Tonight 3 Dec San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Colder. Lows 35 to 45 in wind Sheltered Areas to 43 to 49 in warmer Locations. Light Winds.

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Harry Griffen Regional Park Temperature Statistics

December Temperature

Gillespie Field Airport (2.5 miles)

  • Lowest 1 December, 2024

    48.2 °F

  • Average December

    55 °F

  • Highest 1 December, 2024

    77 °F

Climate (2019–Present)

Gillespie Field Airport (2.5 miles)

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  • Average Low 2019–2024

    53 °F

  • Average 2019–2024

    60.3 °F

  • Average High 2019–2024

    75.9 °F
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