Harbison Canyon Weather Forecast

    • 42
    • 52

    Rain

    • 44
    • 50

    Rain Likely

    • 43
    • 60

    Partly Sunny

    • 48
    • 70

    Mostly Cloudy

    • 44
    • 65

    Chance Rain

    • 43
    • 62

    Slight Chance Rain

Today 13 Mar San Diego County Inland Valleys

Rain this Morning, then Showers and a slight chance of Thunderstorms this afternoon. Rain may be heavy at Times this morning. Highs around 55 in the western Valleys to 48 to 52 near the Foothills. Areas of Winds west 15 to 25 Mph. Gusts to 35 Mph. Becoming 40 Mph this afternoon.

Tonight 13 Mar San Diego County Inland Valleys

Mostly cloudy. A chance of Showers. Colder. Lows 33 to 43. Areas of Winds west 15 to 25 Mph with Gusts to 40 Mph becoming 10 to 15 Mph with Gusts to 30 Mph overnight. Chance of measurable precipitation 50 percent.

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Harbison Canyon Temperature Statistics

March Temperature

Gillespie Field Airport (8.1 miles)

  • Lowest 8 March, 2025

    37.4 °F

  • Average March

    51.5 °F

  • Highest 10 March, 2025

    73.4 °F

Climate (2020–Present)

Gillespie Field Airport (8.1 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    76 °F
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