El Capitan Reservoir Weather Forecast

    • 56
    • 84

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 55
    • 77

    Partly Sunny

    • 52
    • 74

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

Today 25 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 74 to 79 in the western Valleys to 80 to 85 near the Foothills. Areas of Winds southwest to 10 Mph becoming west this afternoon.

Tonight 25 Jun San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 54 to 58. Areas of Winds west to 10 Mph in the evening becoming light.

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El Capitan Reservoir Temperature Statistics

June Temperature

Ramona, Ramona Airport (11.8 miles)

  • Lowest 9 June, 2026

    46 °F

  • Average June

    66.8 °F

  • Highest 12 June, 2026

    93.9 °F

Climate (2021–2026)

Ramona, Ramona Airport (11.8 miles)

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  • Average Low 2021–2026

    51.6 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    76.8 °F
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