Harbor Beach Weather Forecast

    • 57
    • 67

    Increasing Clouds

    • 57
    • 67

    Mostly Cloudy

    • 56
    • 67

    Mostly Cloudy

    • 56
    • 68

    Partly Sunny

    • 57
    • 69

    Partly Sunny

    • 58
    • 70

    Partly Sunny

    • 58
    • 69

    Partly Sunny

Today 15 May San Diego County Coastal Areas

Cloudy this morning. Becoming partly cloudy. Highs 65 to 69 near the coast to 70 inland. Areas of Winds south to 10 Mph.

Tonight 15 May San Diego County Coastal Areas

Mostly cloudy. Patchy drizzle overnight. Lows 54 to 58. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harbor Beach Temperature Statistics

May Temperature

Oceanside, Oceanside Municipal Airport (2.5 miles)

  • Lowest 6 May, 2026

    49.6 °F

  • Average May

    64 °F

  • Highest 8 May, 2026

    72.6 °F

Climate (2021–Present)

Oceanside, Oceanside Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    52.8 °F

  • Average 2021–2026

    62.5 °F

  • Average High 2021–2026

    72.1 °F
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