Otay County Open Space Preserve Weather Forecast

    • 57
    • 71

    Becoming Sunny

    • 59
    • 74

    Patchy Fog

    • 60
    • 75

    Mostly Sunny

    • 63
    • 78

    Mostly Sunny

    • 65
    • 79

    Mostly Sunny

    • 67
    • 82

    Mostly Sunny

Today 16 Aug San Diego County Inland Valleys

Patchy fog in the morning. Partly cloudy with patchy drizzle in the Morning, then sunny in the afternoon. Highs 74 to 78 in the western Valleys to 79 to 84 near the Foothills. Areas of Winds southwest to 10 Mph.

Tonight 16 Aug San Diego County Inland Valleys

Mostly clear in the evening. Becoming partly cloudy overnight with patchy fog. Lows 54 to 59. Areas of Winds southwest to 10 Mph in the evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Otay County Open Space Preserve Temperature Statistics

August Temperature

San Diego, Brown Field Municipal Airport (6.8 miles)

  • Lowest 3 August, 2025

    57.7 °F

  • Average August

    70.8 °F

  • Highest 7 August, 2025

    87.7 °F

Climate (2020–Present)

San Diego, Brown Field Municipal Airport (6.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    54.1 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    74 °F
Get WillyWeather+ to remove ads