La Mesa Weather Forecast

    • 58
    • 72

    Increasing Clouds

    • 58
    • 74

    Mostly Cloudy

    • 59
    • 75

    Partly Sunny

    • 60
    • 76

    Partly Sunny

    • 61
    • 77

    Partly Sunny

    • 61
    • 77

    Partly Sunny

Today 30 Jun San Diego County Inland Valleys

Patchy fog in the morning. Partly cloudy with patchy drizzle in the Morning, then mostly sunny in the afternoon. Highs 70 to 75. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph in the afternoon.

Tonight 30 Jun San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 50 to 57. Areas of Winds west to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

La Mesa Temperature Statistics

June Temperature

Gillespie Field Airport (5 miles)

  • Lowest 9 June, 2026

    55.4 °F

  • Average June

    66.6 °F

  • Highest 12 June, 2026

    93.2 °F

Climate (2021–2026)

Gillespie Field Airport (5 miles)

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  • Average Low 2021–2026

    53.5 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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