Mast Park Weather Forecast

    • 55
    • 79

    Patchy Fog

    • 57
    • 77

    Mostly Cloudy

    • 60
    • 77

    Mostly Cloudy

    • 57
    • 73

    Mostly Cloudy

    • 58
    • 71

    Rain Showers Likely

    • 54
    • 71

    Chance Rain Showers

    • 55
    • 78

    Mostly Sunny

Today 27 Oct San Diego County Inland Valleys

Mostly sunny. Highs around 76 in the western Valleys to 67 to 72 near the Foothills.

Tonight 27 Oct San Diego County Inland Valleys

Partly cloudy. Patchy fog overnight. Lows 50 to 55. Light Winds.

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  • Temperature Real-Time

Mast Park Temperature Statistics

October Temperature

Gillespie Field Airport (1.2 miles)

  • Lowest 14 October, 2026

    50 °F

  • Average October

    70.6 °F

  • Highest 3 October, 2026

    105.8 °F

Climate (2021–2026)

Gillespie Field Airport (1.2 miles)

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  • Average Low 2021–2026

    53.7 °F

  • Average 2021–2026

    60.8 °F

  • Average High 2021–2026

    76.5 °F
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