Lake Poway Weather Forecast

    • 69
    • 93

    Mostly Sunny

    • 70
    • 96

    Mostly Sunny

    • 68
    • 93

    Mostly Sunny

    • 72
    • 99

    Hot

    • 73
    • 100

    Hot

    • 73
    • 101

    Hot

    • 71
    • 100

    Hot

Today 22 Aug San Diego County Inland Valleys

Mostly sunny. Highs 89 to 94 in the western Valleys to 95 to 100 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 22 Aug San Diego County Inland Valleys

Mostly clear. Patchy fog overnight. Lows 67 to 73. Areas of Winds west to 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

    75.5 °F

  • Highest 19 August, 2026

    99 °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

    76.9 °F
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