La Mesa Weather Forecast

    • 63
    • 77

    Mostly Cloudy

    • 61
    • 71

    Slight Chance Rain Showers

    • 61
    • 73

    Mostly Cloudy

    • 61
    • 76

    Mostly Sunny

    • 61
    • 81

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 64
    • 86

    Mostly Sunny

Today 20 Sep San Diego County Inland Valleys

Partly cloudy in the evening. Becoming mostly cloudy. Lows 51 to 61. Light Winds.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

La Mesa Temperature Statistics

September Temperature

San Diego/El Cajon, Gillespie Field Airport (5 miles)

  • Lowest 14 September, 2017

    62.6 °F
  • Average September

    72.7 °F
  • Highest 2 September, 2017

    107.6 °F

Climate (2010–Present)

San Diego/El Cajon, Gillespie Field Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2010–Present

    54.8 °F
  • Average 2010–Present

    65.6 °F
  • Average High 2010–Present

    80 °F
Get an account to remove ads