San Diego National Wildlife Refuge Weather Forecast

    • 64
    • 82

    Mostly Sunny

    • 59
    • 80

    Increasing Clouds

    • 60
    • 73

    Patchy Fog

    • 57
    • 70

    Patchy Fog

    • 57
    • 69

    Patchy Fog

    • 57
    • 72

    Mostly Sunny

    • 59
    • 74

    Mostly Sunny

Today 7 Sep San Diego County Inland Valleys

Mostly sunny. Highs 88 to 93. Areas of Winds west to 10 Mph.

Tonight 7 Sep San Diego County Inland Valleys

Mostly clear. Lows 62 to 66. Light Winds.

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San Diego National Wildlife Refuge Temperature Statistics

September Temperature

Gillespie Field Airport (8.1 miles)

  • Lowest 1 September, 2025

    64.4 °F

  • Average September

    74 °F

  • Highest 2 September, 2025

    93.2 °F

Climate (2020–Present)

Gillespie Field Airport (8.1 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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