La Mesa Weather Forecast

    • 55
    • 71

    Decreasing Clouds

    • 54
    • 67

    Chance Rain Showers

    • 50
    • 64

    Chance Rain Showers

    • 50
    • 69

    Mostly Sunny

    • 51
    • 72

    Partly Sunny

    • 52
    • 71

    Mostly Cloudy

    • 53
    • 74

    Mostly Sunny

Today 11 Apr San Diego County Inland Valleys

Partly cloudy. A slight chance of Showers this morning. Highs around 70 in the western Valleys to 62 to 67 near the Foothills. Areas of Winds southwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon. Chance of measurable precipitation 20 percent.

Tonight 11 Apr San Diego County Inland Valleys

Partly cloudy this evening. Becoming mostly cloudy. Lows 47 to 53. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph becoming south overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

La Mesa Temperature Statistics

April Temperature

Gillespie Field Airport (5 miles)

  • Lowest 4 April, 2026

    46.4 °F

  • Average April

    61.9 °F

  • Highest 4 April, 2026

    87.8 °F

Climate (2021–Present)

Gillespie Field Airport (5 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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