Escondido Weather Forecast

    • 64
    • 79

    Decreasing Clouds

    • 62
    • 77

    Mostly Cloudy

    • 63
    • 78

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

    • 68
    • 89

    Mostly Sunny

Today 20 Sep San Diego County Inland Valleys

Mostly cloudy with patchy fog in the morning. Becoming partly cloudy. Highs 76 to 80 in the western Valleys to 79 to 84 near the Foothills. Light Winds becoming west 10 Mph in the afternoon.

Tonight 20 Sep San Diego County Inland Valleys

Mostly cloudy. Patchy fog overnight. Lows 53 to 63. Areas of Winds west to 10 Mph in the evening becoming light.

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Escondido Temperature Statistics

September Temperature

Carlsbad, McClellan-Palomar Airport (10.6 miles)

  • Lowest 3 September, 2026

    62.7 °F

  • Average September

    75.7 °F

  • Highest 7 September, 2026

    99.6 °F

Climate (2021–2026)

Carlsbad, McClellan-Palomar Airport (10.6 miles)

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  • Average Low 2021–2026

    57.2 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    69.5 °F
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