La Mesa Weather Forecast

    • 53
    • 85

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

    • 55
    • 77

    Partly Sunny

    • 54
    • 76

    Partly Sunny

    • 56
    • 77

    Partly Sunny

    • 56
    • 73

    Slight Chance Rain Showers

    • 54
    • 70

    Partly Sunny

Today 4 Apr San Diego County Inland Valleys

Mostly sunny. Highs around 84 in the western Valleys to 78 to 83 near the Foothills. Areas of Winds east 10 to 15 Mph with Gusts to 30 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 4 Apr San Diego County Inland Valleys

Mostly clear. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 45 to 53 in wind Sheltered Areas to 50 to 58 in warmer Locations. Areas of Winds southwest to 10 Mph this evening becoming light.

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La Mesa Temperature Statistics

April Temperature

Gillespie Field Airport (5 miles)

  • Lowest 2 April, 2026

    55.4 °F

  • Average April

    61.6 °F

  • Highest 1 April, 2026

    73.4 °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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