Barrett Junction Weather Forecast

    • 51
    • 76

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 55
    • 86

    Sunny

    • 56
    • 85

    Sunny

    • 56
    • 85

    Mostly Sunny

Today 6 Dec San Diego County Inland Valleys

Sunny. Highs 69 to 74. Light Winds becoming west 10 Mph this afternoon.

Tonight 6 Dec San Diego County Inland Valleys

Mostly clear. Lows 43 to 49 in wind Sheltered Areas to 47 to 52 in warmer Locations. Light Winds becoming northeast to 10 Mph overnight.

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  • Temperature Real-Time

Barrett Junction Temperature Statistics

December Temperature

San Diego, Brown Field Municipal Airport (16.8 miles)

  • Lowest 2 December, 2025

    44.1 °F

  • Average December

    57.9 °F

  • Highest 4 December, 2025

    73 °F

Climate (2020–Present)

San Diego, Brown Field Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    54.1 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    73.8 °F
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