Harbison Canyon Weather Forecast

    • 58
    • 87

    Increasing Clouds

    • 55
    • 82

    Mostly Sunny

    • 55
    • 79

    Patchy Fog

    • 54
    • 73

    Mostly Cloudy

    • 52
    • 71

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

Today 24 Jun San Diego County Inland Valleys

Partly cloudy with patchy fog this morning. Becoming sunny. Highs 76 to 81 in the western Valleys to 84 to 89 near the Foothills. Areas of Winds west to 10 Mph. Becoming 10 to 15 Mph this afternoon.

Tonight 24 Jun San Diego County Inland Valleys

Mostly clear this evening. Becoming partly cloudy. Patchy fog overnight. Lows 56 to 61. Areas of Winds west to 10 Mph this evening becoming light.

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Harbison Canyon Temperature Statistics

June Temperature

Gillespie Field Airport (8.1 miles)

  • Lowest 9 June, 2026

    55.4 °F

  • Average June

    66.5 °F

  • Highest 12 June, 2026

    93.2 °F

Climate (2021–2026)

Gillespie Field Airport (8.1 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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