Gillespie Field Weather Forecast

    • 60
    • 79

    Becoming Sunny

    • 62
    • 83

    Patchy Fog

    • 63
    • 83

    Patchy Fog

    • 64
    • 86

    Patchy Fog

    • 66
    • 88

    Patchy Fog

    • 67
    • 90

    Mostly Sunny

Today 16 Aug San Diego County Inland Valleys

Patchy fog in the morning. Partly cloudy with patchy drizzle in the Morning, then sunny in the afternoon. Highs 74 to 78 in the western Valleys to 79 to 84 near the Foothills. Areas of Winds southwest to 10 Mph.

Tonight 16 Aug San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 54 to 59. Areas of Winds southwest to 10 Mph in the evening becoming light.

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Gillespie Field Temperature Statistics

August Temperature

Gillespie Field Airport (0 miles)

  • Lowest 3 August, 2025

    60.8 °F

  • Average August

    69.4 °F

  • Highest 7 August, 2025

    98.6 °F

Climate (2020–Present)

Gillespie Field Airport (0 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    60.2 °F

  • Average High 2020–2025

    76 °F
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