Big Rock Park Weather Forecast

    • 57
    • 77

    Decreasing Clouds

    • 60
    • 83

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 64
    • 84

    Partly Sunny

    • 64
    • 83

    Partly Sunny

Today 8 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog in the morning. Becoming mostly sunny. Highs 74 to 77 in the western Valleys to 77 to 82 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph in the afternoon.

Tonight 8 Jun San Diego County Inland Valleys

Partly cloudy in the evening. Becoming mostly clear. Lows 51 to 56. Areas of Winds west to 10 Mph in the evening becoming light.

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Big Rock Park Temperature Statistics

June Temperature

Gillespie Field Airport (2.5 miles)

  • Lowest 1 June, 2026

    59 °F

  • Average June

    64 °F

  • Highest 3 June, 2026

    80.6 °F

Climate (2021–Present)

Gillespie Field Airport (2.5 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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