Lake Poway Weather Forecast

    • 51
    • 67

    Chance Rain Showers

    • 48
    • 62

    Rain Showers Likely

    • 42
    • 61

    Slight Chance Rain Showers

    • 44
    • 66

    Partly Sunny

    • 49
    • 69

    Partly Sunny

    • 50
    • 73

    Chance Rain Showers

Today 25 Dec San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. A slight chance of Showers. Highs 66 to 69 in the western Valleys to 60 to 65 near the Foothills. Areas of Winds south 10 to 15 Mph with Gusts to 25 Mph. Chance of measurable precipitation 20 percent.

Tonight 25 Dec San Diego County Inland Valleys

Partly cloudy with a chance of Showers in the Evening, then mostly cloudy with a slight chance of Showers overnight. Lows 43 to 51 in wind Sheltered Areas to 47 to 53 in warmer Locations. Areas of Winds south 10 Mph. Chance of measurable precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Poway Temperature Statistics

December Temperature

Ramona, Ramona Airport (5.6 miles)

  • Lowest 20 December, 2025

    43 °F

  • Average December

    67.2 °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

    64 °F

  • Average High 2020–2025

    76.5 °F
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