La Mesa Weather Forecast

    • 57
    • 71

    Cloudy

    • 56
    • 70

    Cloudy

    • 55
    • 67

    Drizzle

    • 55
    • 66

    Slight Chance Rain Showers

    • 54
    • 67

    Partly Sunny

    • 55
    • 71

    Partly Sunny

    • 57
    • 73

    Mostly Sunny

Today 24 May San Diego County Inland Valleys

Mostly cloudy this morning. Becoming partly cloudy. Patchy fog this morning. Highs 71 to 74 in the western Valleys to 73 to 78 near the Foothills. Areas of Winds west to 10 Mph becoming 10 to 15 Mph this afternoon.

Tonight 24 May San Diego County Inland Valleys

Cloudy. Patchy fog. Lows 50 to 55. Areas of Winds west 10 to 15 Mph this evening becoming light.

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La Mesa Temperature Statistics

May Temperature

Gillespie Field Airport (5 miles)

  • Lowest 6 May, 2026

    51.8 °F

  • Average May

    62.8 °F

  • Highest 11 May, 2026

    86 °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

    76.3 °F
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