La Mesa Weather Forecast

    • 63
    • 83

    Increasing Clouds

    • 63
    • 81

    Partly Sunny

    • 63
    • 79

    Partly Sunny

    • 63
    • 82

    Partly Sunny

    • 63
    • 83

    Partly Sunny

    • 63
    • 80

    Partly Sunny

    • 64
    • 80

    Partly Sunny

Today 5 Jul San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Highs 79 to 84 in the western Valleys to 84 to 89 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 5 Jul San Diego County Inland Valleys

Mostly clear this evening. Becoming partly cloudy. Patchy dense fog overnight. Lows 58 to 62. Areas of Winds west to 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

La Mesa Temperature Statistics

July Temperature

Gillespie Field Airport (5 miles)

  • Lowest 2 July, 2026

    60.8 °F

  • Average July

    66.5 °F

  • Highest 3 July, 2026

    86 °F

Climate (2021–2026)

Gillespie Field Airport (5 miles)

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

  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
Get WillyWeather+ to remove ads