Santee Recreational Lakes Weather Forecast

    • 67
    • 86

    Increasing Clouds

    • 69
    • 89

    Mostly Sunny

    • 72
    • 96

    Mostly Sunny

    • 69
    • 92

    Partly Sunny

    • 67
    • 87

    Partly Sunny

    • 67
    • 88

    Partly Sunny

    • 67
    • 88

    Mostly Sunny

Today 13 Jul San Diego County Inland Valleys

Partly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs 81 to 86 in the western Valleys to 86 to 91 near the Foothills. Light Winds becoming west 10 Mph in the afternoon. Chance of measurable precipitation 20 percent.

Tonight 13 Jul San Diego County Inland Valleys

Partly cloudy. Lows 63 to 68. Light Winds.

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Santee Recreational Lakes Temperature Statistics

July Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 2 July, 2026

    60.8 °F

  • Average July

    68.3 °F

  • Highest 4 July, 2026

    91.4 °F

Climate (2021–2026)

Gillespie Field Airport (1.9 miles)

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  • Average Low 2021–2026

    53.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    76.2 °F
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