Lake Poway Weather Forecast

    • 63
    • 85

    Mostly Cloudy

    • 63
    • 86

    Partly Sunny

    • 64
    • 87

    Mostly Sunny

    • 65
    • 89

    Mostly Sunny

    • 66
    • 91

    Mostly Sunny

    • 66
    • 92

    Mostly Sunny

    • 66
    • 92

    Sunny

Today 15 Aug San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 80 to 84 in the western Valleys to 84 to 89 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 15 Aug San Diego County Inland Valleys

Mostly cloudy. Patchy fog overnight. Lows 61 to 65. Areas of Winds west 10 Mph this evening becoming light.

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Lake Poway Temperature Statistics

August Temperature

Ramona, Ramona Airport (5.6 miles)

  • Lowest 3 August, 2026

    55.9 °F

  • Average August

    75.8 °F

  • Highest 2 August, 2026

    98.1 °F

Climate (2021–2026)

Ramona, Ramona Airport (5.6 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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