Granite Hills Weather Forecast

    • 42
    • 66

    Partly Sunny

    • 41
    • 70

    Mostly Sunny

    • 44
    • 70

    Sunny

    • 46
    • 71

    Sunny

    • 48
    • 75

    Mostly Sunny

    • 52
    • 78

    Mostly Sunny

Today 3 Dec San Diego County Inland Valleys

Mostly cloudy with patchy fog in the morning. Becoming partly cloudy. Highs 65 to 68 in the western Valleys to 60 to 65 near the Foothills. Light Winds becoming west 10 Mph in the afternoon.

Tonight 3 Dec San Diego County Inland Valleys

Partly cloudy. Lows 42 to 47. Areas of Winds northeast to 10 Mph. Becoming 10 to 20 Mph with Gusts to 35 Mph overnight.

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Granite Hills Temperature Statistics

December Temperature

Gillespie Field Airport (4.3 miles)

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Climate (2020–Present)

Gillespie Field Airport (4.3 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.8 °F
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