San Luis Rey Weather Forecast

    • 49
    • 69

    Increasing Clouds

    • 49
    • 69

    Partly Sunny

    • 55
    • 75

    Mostly Sunny

    • 58
    • 89

    Sunny

    • 56
    • 87

    Mostly Sunny

    • 54
    • 78

    Partly Sunny

Today 9 Mar San Diego County Coastal Areas

Partly cloudy. A slight chance of Showers in the afternoon. Cooler. Highs 66 to 70 near the coast to 71 inland. Light Winds becoming west 10 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 9 Mar San Diego County Coastal Areas

Partly cloudy. Lows 48 to 53. Areas of Winds southwest to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Luis Rey Temperature Statistics

March Temperature

Oceanside, Oceanside Municipal Airport (1.2 miles)

  • Lowest 6 March, 2026

    43 °F

  • Average March

    60.1 °F

  • Highest 1 March, 2026

    75.9 °F

Climate (2021–Present)

Oceanside, Oceanside Municipal Airport (1.2 miles)

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  • Average Low 2021–2026

    52.8 °F

  • Average 2021–2026

    62.4 °F

  • Average High 2021–2026

    71.8 °F
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