Lake Poway Weather Forecast

    • 54
    • 74

    Patchy Fog

    • 54
    • 73

    Mostly Cloudy

    • 53
    • 72

    Partly Sunny

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 68

    Mostly Cloudy

    • 53
    • 72

    Partly Sunny

Today 23 May San Diego County Inland Valleys

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Highs 73 to 76 in the western Valleys to 75 to 80 near the Foothills. Areas of Winds west to 10 Mph becoming 10 to 15 Mph in the afternoon.

Tonight 23 May San Diego County Inland Valleys

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 50 to 54. 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

May Temperature

Ramona, Ramona Airport (5.6 miles)

  • Lowest 6 May, 2026

    39.9 °F

  • Average May

    62.4 °F

  • Highest 11 May, 2026

    90 °F

Climate (2021–Present)

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

    76.9 °F
Get WillyWeather+ to remove ads