Fletcher Hills Open Space Weather Forecast

    • 53
    • 83

    Sunny

    • 53
    • 79

    Mostly Sunny

    • 51
    • 76

    Partly Sunny

    • 50
    • 75

    Patchy Fog

    • 49
    • 73

    Patchy Fog

    • 50
    • 74

    Patchy Fog

Today 10 Dec San Diego County Inland Valleys

Sunny. Highs 82 to 87. Areas of Winds northeast to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 10 Dec San Diego County Inland Valleys

Clear. Lows 52 to 59. Light Winds becoming east to 10 Mph overnight.

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Fletcher Hills Open Space Temperature Statistics

December Temperature

Gillespie Field Airport (1.2 miles)

  • Lowest 5 December, 2025

    39.2 °F

  • Average December

    53.3 °F

  • Highest 8 December, 2025

    82.4 °F

Climate (2020–Present)

Gillespie Field Airport (1.2 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.7 °F
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