La Mesa Weather Forecast

    • 56
    • 71

    Increasing Clouds

    • 55
    • 67

    Rain Showers

    • 53
    • 66

    Rain Showers Likely

    • 50
    • 69

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 54
    • 73

    Partly Sunny

Today 24 Apr San Diego County Inland Valleys

Partly cloudy this morning. Becoming mostly sunny. Highs 70 to 75. Areas of Winds south to 10 Mph becoming southwest this afternoon.

Tonight 24 Apr San Diego County Inland Valleys

Partly cloudy this Evening, then mostly cloudy with a slight chance of Showers overnight. Lows 47 to 54. Areas of Winds southwest 10 Mph this evening becoming light. Chance of measurable precipitation 20 percent.

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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

    61.3 °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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