Rincon Weather Forecast

    • 49
    • 71

    Sunny

    • 50
    • 71

    Sunny

    • 53
    • 77

    Sunny

    • 57
    • 80

    Sunny

    • 57
    • 82

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

Today 5 Dec San Diego County Inland Valleys

Mostly sunny. Highs 68 to 73. Light Winds.

Tonight 5 Dec San Diego County Inland Valleys

Clear. Lows 41 to 47 in wind Sheltered Areas to 45 to 50 in warmer Locations. Light Winds.

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Rincon Temperature Statistics

December Temperature

Fallbrook Community Airpark (16.8 miles)

  • Lowest 1 December, 2025

    46.4 °F

  • Average December

    56 °F

  • Highest 1 December, 2025

    68 °F

Climate (2020–Present)

Fallbrook Community Airpark (16.8 miles)

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  • Average Low 2020–2025

    53.4 °F

  • Average 2020–2025

    61.7 °F

  • Average High 2020–2025

    74.1 °F
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