Guajome Lake Weather Forecast

    • 62
    • 77

    Increasing Clouds

    • 63
    • 79

    Partly Sunny

    • 64
    • 78

    Mostly Cloudy

    • 62
    • 77

    Partly Sunny

    • 64
    • 79

    Mostly Sunny

    • 65
    • 82

    Partly Sunny

Today 18 Sep San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 73 to 77. Light Winds becoming west 10 to 15 Mph this afternoon.

Tonight 18 Sep San Diego County Coastal Areas

Mostly clear in the evening. Becoming partly cloudy. Lows 58 to 63. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guajome Lake Temperature Statistics

September Temperature

Oceanside, Oceanside Municipal Airport (4.3 miles)

  • Lowest 3 September, 2026

    56.6 °F

  • Average September

    75.2 °F

  • Highest 7 September, 2026

    100.7 °F

Climate (2021–2026)

Oceanside, Oceanside Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    72.3 °F
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