Santee Recreational Lakes Weather Forecast

    • 50
    • 65

    Chance Rain Showers

    • 49
    • 71

    Partly Sunny

    • 50
    • 74

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 48
    • 77

    Mostly Sunny

    • 50
    • 83

    Partly Sunny

Today 13 Apr San Diego County Inland Valleys

Mostly cloudy with a chance of Showers. Highs around 64 in the western Valleys to 55 to 60 near the Foothills. Areas of Winds west 10 to 20 Mph. Gusts to 30 Mph. Becoming 35 Mph this afternoon. Chance of measurable precipitation 50 percent.

Tonight 13 Apr San Diego County Inland Valleys

Partly cloudy. A slight chance of Showers in the evening. Lows 43 to 50. Areas of Winds west 10 to 20 Mph with Gusts to 30 Mph becoming southeast to 10 Mph overnight. Chance of measurable precipitation 20 percent.

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Santee Recreational Lakes Temperature Statistics

April Temperature

Gillespie Field Airport (1.9 miles)

  • Lowest 4 April, 2026

    46.4 °F

  • Average April

    62 °F

  • Highest 4 April, 2026

    87.8 °F

Climate (2021–Present)

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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