Carmel Mountain Weather Forecast

    • 50
    • 75

    Partly Sunny

    • 52
    • 74

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

    • 50
    • 74

    Partly Sunny

    • 51
    • 74

    Partly Sunny

    • 51
    • 75

    Mostly Cloudy

Today 16 Dec San Diego County Inland Valleys

Mostly sunny. Highs 73 to 77 in the western Valleys to 76 to 81 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 16 Dec San Diego County Inland Valleys

Mostly clear this evening. Becoming partly cloudy. Lows 44 to 53 in wind Sheltered Areas to 49 to 57 in warmer Locations. Light Winds.

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Carmel Mountain Temperature Statistics

December Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (8.7 miles)

  • Lowest 5 December, 2025

    43 °F

  • Average December

    58.1 °F

  • Highest 10 December, 2025

    82 °F

Climate (2020–Present)

San Diego, Miramar MCAS/Mitscher Field Airport (8.7 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    61.7 °F

  • Average High 2020–2025

    72.1 °F
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