Harborside Park Weather Forecast

    • 67
    • 77

    Patchy Fog

    • 65
    • 77

    Increasing Clouds

    • 65
    • 71

    Mostly Cloudy

    • 63
    • 70

    Mostly Cloudy

    • 63
    • 69

    Mostly Cloudy

    • 62
    • 70

    Mostly Cloudy

    • 63
    • 72

    Mostly Cloudy

Today 7 Sep San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 76 to 81 near the coast to 83 to 88 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 7 Sep San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Lows 61 to 66. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harborside Park Temperature Statistics

September Temperature

Imperial Beach Naval Outlying Field - Ream Field (3.1 miles)

  • Lowest 1 September, 2025

    62.1 °F

  • Average September

    70.3 °F

  • Highest 1 September, 2025

    77 °F

Climate (2020–Present)

Imperial Beach Naval Outlying Field - Ream Field (3.1 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    69.2 °F
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