Oneonta Slough Weather Forecast

    • 72
    • 80

    Partly Sunny

    • 69
    • 78

    Patchy Fog

    • 68
    • 75

    Mostly Cloudy

    • 67
    • 74

    Partly Sunny

    • 66
    • 74

    Partly Sunny

    • 65
    • 73

    Partly Sunny

Today 10 Sep San Diego County Coastal Areas

Mostly sunny. Highs 82 to 87 near the coast to 90 to 94 inland. Areas of Winds south to 10 Mph.

Tonight 10 Sep San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy. Lows around 70. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oneonta Slough Temperature Statistics

September Temperature

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

  • Lowest 3 September, 2026

    57.9 °F

  • Average September

    71.8 °F

  • Highest 6 September, 2026

    88 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    56.5 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    69.4 °F
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