San Marcos Weather Forecast

    • 62
    • 77

    Patchy Fog

    • 61
    • 78

    Patchy Fog

    • 59
    • 77

    Partly Sunny

    • 59
    • 75

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 59
    • 76

    Partly Sunny

Today 6 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 76 to 80 in the western Valleys to 84 to 89 near the Foothills. Light Winds becoming west 10 Mph this afternoon.

Tonight 6 Jun San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 55 to 61. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Marcos Temperature Statistics

June Temperature

Carlsbad, McClellan-Palomar Airport (6.2 miles)

  • Lowest 1 June, 2024

    57.7 °F

  • Average June

    61.4 °F

  • Highest 4 June, 2024

    66.9 °F

Climate (2019–Present)

Carlsbad, McClellan-Palomar Airport (6.2 miles)

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  • Average Low 2019–2024

    56.9 °F

  • Average 2019–2024

    62.5 °F

  • Average High 2019–2024

    69 °F
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