La Mesa Weather Forecast

    • 52
    • 62

    Rain Showers

    • 51
    • 63

    Rain Showers Likely

    • 49
    • 64

    Partly Sunny

    • 50
    • 67

    Mostly Sunny

    • 49
    • 67

    Partly Sunny

    • 51
    • 71

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

Today 20 Nov San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly cloudy. A slight chance of Showers. Highs 61 to 65 in the western Valleys to 54 to 59 near the Foothills. Areas of Winds south 10 to 15 Mph. Chance of measurable precipitation 20 percent.

Tonight 20 Nov San Diego County Inland Valleys

Showers and a slight chance of Thunderstorms. Locally heavy rainfall possible. Lows 46 to 51. Areas of Winds south 10 to 15 Mph. Gusts to 30 Mph. Becoming 25 Mph overnight.

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La Mesa Temperature Statistics

November Temperature

Gillespie Field Airport (5 miles)

  • Lowest 18 November, 2025

    48.2 °F

  • Average November

    59.7 °F

  • Highest 10 November, 2025

    93.2 °F

Climate (2020–Present)

Gillespie Field Airport (5 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.8 °F
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