Flinn Springs Weather Forecast

    • 53
    • 72

    Increasing Clouds

    • 56
    • 74

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 55
    • 80

    Patchy Fog

    • 54
    • 75

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 60
    • 85

    Sunny

Today 22 Oct San Diego County Inland Valleys

Mostly cloudy this morning. Becoming mostly sunny. Patchy fog this morning. Highs 70 to 73 in the western Valleys to 65 to 70 near the Foothills. Areas of Winds northwest to 10 Mph becoming west with Gusts to 25 Mph this afternoon.

Tonight 22 Oct San Diego County Inland Valleys

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog overnight. Lows 48 to 55. Areas of Winds northwest 10 to 15 Mph with Gusts to 25 Mph this evening becoming light.

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Flinn Springs Temperature Statistics

October Temperature

Gillespie Field Airport (6.8 miles)

  • Lowest 16 October, 2025

    48.2 °F

  • Average October

    63 °F

  • Highest 18 October, 2025

    87.8 °F

Climate (2020–Present)

Gillespie Field Airport (6.8 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    60.1 °F

  • Average High 2020–2025

    75.8 °F
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