El Capitan Reservoir Weather Forecast

    • 74
    • 103

    Hot

    • 73
    • 103

    Hot

    • 70
    • 101

    Hot

    • 64
    • 95

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 65
    • 89

    Partly Sunny

Today 27 Aug San Diego County Inland Valleys

Partly cloudy. Highs 95 to 100 in the western Valleys to 98 to 103 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 27 Aug San Diego County Inland Valleys

Partly cloudy. Lows 71 to 77. Areas of Winds west to 10 Mph in the evening becoming light.

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El Capitan Reservoir Temperature Statistics

August Temperature

Ramona, Ramona Airport (11.8 miles)

  • Lowest 3 August, 2026

    55.9 °F
  • Average August

    76.7 °F
  • Highest 23 August, 2026

    100.9 °F

Climate (2021–2026)

Ramona, Ramona Airport (11.8 miles)

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  • Average Low 2021–2026

    51.7 °F
  • Average 2021–2026

    64.7 °F
  • Average High 2021–2026

    76.9 °F
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