Poway Weather Forecast

    • 64
    • 88

    Sunny

    • 65
    • 87

    Sunny

    • 64
    • 89

    Sunny

    • 61
    • 86

    Sunny

    • 61
    • 81

    Sunny

    • 59
    • 79

    Sunny

    • 59
    • 79

    Sunny

Today 5 Sep San Diego County Inland Valleys

Mostly sunny this morning. Becoming partly cloudy. Highs 82 to 87 in the western Valleys to 87 to 92 near the Foothills. Areas of Winds west to 10 Mph.

Tonight 5 Sep San Diego County Inland Valleys

Mostly clear. Lows 60 to 67. Light Winds.

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Poway Temperature Statistics

September Temperature

San Diego, Miramar MCAS/Mitscher Field Airport (8.1 miles)

  • Lowest 1 September, 2025

    62.1 °F
  • Average September

    74 °F
  • Highest 3 September, 2025

    87.1 °F

Climate (2020–Present)

San Diego, Miramar MCAS/Mitscher Field Airport (8.1 miles)

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  • Average Low 2020–2025

    52.6 °F
  • Average 2020–2025

    61.7 °F
  • Average High 2020–2025

    72.3 °F
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