Flinn Springs Weather Forecast

    • 51
    • 64

    Chance Rain Showers

    • 48
    • 66

    Slight Chance Rain Showers

    • 52
    • 74

    Partly Sunny

    • 52
    • 75

    Partly Sunny

    • 52
    • 72

    Partly Sunny

    • 55
    • 78

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

Today 26 Apr San Diego County Inland Valleys

Cloudy. Showers likely. Highs 65 to 68 in the western Valleys to 56 to 61 near the Foothills. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph. Chance of measurable precipitation 70 percent.

Tonight 26 Apr San Diego County Inland Valleys

Partly cloudy this evening. Becoming mostly cloudy. A slight chance of Showers. Lows 43 to 52. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph this evening becoming light. Chance of measurable precipitation 20 percent.

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Flinn Springs Temperature Statistics

April Temperature

Gillespie Field Airport (6.8 miles)

  • Lowest 4 April, 2026

    46.4 °F

  • Average April

    61.3 °F

  • Highest 4 April, 2026

    87.8 °F

Climate (2021–Present)

Gillespie Field Airport (6.8 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.3 °F
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