Harbor Beach Weather Forecast

    • 55
    • 70

    Mostly Sunny

    • 56
    • 72

    Partly Sunny

    • 57
    • 75

    Mostly Cloudy

    • 55
    • 75

    Partly Sunny

    • 55
    • 70

    Mostly Cloudy

    • 55
    • 67

    Chance Rain Showers

    • 53
    • 66

    Mostly Cloudy

Today 26 Mar San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 69 to 74 near the coast to 77 to 82 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 26 Mar San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 52 to 58. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harbor Beach Temperature Statistics

March Temperature

Oceanside, Oceanside Municipal Airport (2.5 miles)

  • Lowest 6 March, 2026

    43 °F

  • Average March

    63.4 °F

  • Highest 8 March, 2026

    88 °F

Climate (2021–Present)

Oceanside, Oceanside Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    52.9 °F

  • Average 2021–2026

    62.5 °F

  • Average High 2021–2026

    72 °F
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