Tijuana River National Estuarine Research Reserve Weather Forecast

    • 69
    • 77

    Chance Rain Showers

    • 68
    • 74

    Mostly Cloudy

    • 67
    • 74

    Patchy Fog

    • 68
    • 75

    Patchy Fog

    • 68
    • 76

    Patchy Fog

    • 67
    • 76

    Partly Sunny

Today 18 Sep San Diego County Coastal Areas

Partly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs 76 to 81 near the coast to 81 to 86 inland. Areas of Winds south to 10 Mph. Chance of measurable precipitation 50 percent.

Tonight 18 Sep San Diego County Coastal Areas

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows 65 to 69. Light Winds. Chance of measurable precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tijuana River National Estuarine Research Reserve Temperature Statistics

September Temperature

Imperial Beach Naval Outlying Field - Ream Field (0.6 miles)

  • Lowest 7 September, 2025

    61 °F

  • Average September

    69.5 °F

  • Highest 7 September, 2025

    80.1 °F

Climate (2020–Present)

Imperial Beach Naval Outlying Field - Ream Field (0.6 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    69.2 °F
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