Oneonta Slough Weather Forecast

    • 52
    • 67

    Partly Sunny

    • 53
    • 66

    Partly Sunny

    • 56
    • 70

    Mostly Sunny

    • 55
    • 72

    Mostly Sunny

    • 55
    • 73

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 54
    • 70

    Partly Sunny

Today 6 Dec San Diego County Coastal Areas

Sunny. Highs 65 to 68 near the coast to 70 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 6 Dec San Diego County Coastal Areas

Patchy dense fog this evening. Partly cloudy. Local visibility one quarter mile or less at Times this evening. Lows 47 to 51. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oneonta Slough Temperature Statistics

December Temperature

Imperial Beach Naval Outlying Field - Ream Field (1.2 miles)

  • Lowest 2 December, 2025

    46.9 °F

  • Average December

    57.9 °F

  • Highest 4 December, 2025

    70 °F

Climate (2020–Present)

Imperial Beach Naval Outlying Field - Ream Field (1.2 miles)

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  • Average Low 2020–2025

    56.6 °F

  • Average 2020–2025

    63.2 °F

  • Average High 2020–2025

    69 °F
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