Lake Poway Weather Forecast

    • 51
    • 74

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 54
    • 81

    Mostly Sunny

    • 54
    • 77

    Partly Sunny

    • 53
    • 77

    Partly Sunny

    • 52
    • 76

    Patchy Fog

Today 14 Dec San Diego County Inland Valleys

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Local visibility one quarter mile or less at Times in the morning. Highs 73 to 76 in the western Valleys to 75 to 80 near the Foothills. Areas of Winds east to 10 Mph in the morning becoming light.

Tonight 14 Dec San Diego County Inland Valleys

Mostly clear. Lows 43 to 52 in wind Sheltered Areas to 49 to 56 in warmer Locations. Light Winds becoming northeast to 10 Mph overnight.

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Lake Poway Temperature Statistics

December Temperature

Ramona, Ramona Airport (5.6 miles)

  • Lowest 1 December, 2025

    44.1 °F

  • Average December

    66.1 °F

  • Highest 10 December, 2025

    87.1 °F

Climate (2020–Present)

Ramona, Ramona Airport (5.6 miles)

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  • Average Low 2020–2025

    51.1 °F

  • Average 2020–2025

    63.9 °F

  • Average High 2020–2025

    76.5 °F
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