Lake Poway Weather Forecast

    • 61
    • 81

    Gradual Clearing

    • 61
    • 81

    Mostly Sunny

    • 60
    • 83

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

    • 63
    • 87

    Partly Sunny

    • 62
    • 87

    Partly Sunny

Today 4 Jul San Diego County Inland Valleys

Cloudy this morning. Becoming mostly cloudy. Patchy fog this morning. Highs 78 to 82 in the western Valleys to 83 to 88 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 4 Jul San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 57 to 62. Areas of Winds west to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Poway Temperature Statistics

July Temperature

Ramona, Ramona Airport (5.6 miles)

  • Lowest 1 July, 2026

    54 °F

  • Average July

    64.8 °F

  • Highest 1 July, 2026

    78.1 °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

    51.6 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    76.8 °F
Get WillyWeather+ to remove ads