Lake Poway Weather Forecast

    • 67
    • 96

    Sunny

    • 65
    • 91

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

    • 65
    • 87

    Slight Chance Rain Showers

    • 65
    • 87

    Partly Sunny

    • 64
    • 89

    Partly Sunny

    • 66
    • 90

    Mostly Sunny

Today 29 Aug San Diego County Inland Valleys

Mostly sunny. Highs 94 to 99. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 29 Aug San Diego County Inland Valleys

Mostly clear. Lows 65 to 69. Areas of Winds west to 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Poway Temperature Statistics

August Temperature

Ramona, Ramona Airport (5.6 miles)

  • Lowest 3 August, 2026

    55.9 °F

  • Average August

    77.4 °F

  • Highest 26 August, 2026

    102.9 °F

Climate (2021–2026)

Ramona, Ramona Airport (5.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    76.9 °F
Get WillyWeather+ to remove ads