Tijuana River County Open Space Preserve Weather Forecast

    • 69
    • 79

    Decreasing Clouds

    • 70
    • 81

    Mostly Cloudy

    • 69
    • 80

    Mostly Cloudy

    • 67
    • 76

    Mostly Sunny

    • 69
    • 80

    Mostly Sunny

    • 69
    • 82

    Mostly Sunny

Today 25 Sep San Diego County Coastal Areas

Partly cloudy in the morning. Becoming mostly sunny. Highs 77 to 82 near the coast to 83 to 87 inland. Areas of Winds northwest to 10 Mph.

Tonight 25 Sep San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Lows 64 to 69. Areas of Winds northwest to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tijuana River County Open Space Preserve Temperature Statistics

September Temperature

Imperial Beach Naval Outlying Field - Ream Field (1.2 miles)

  • Lowest 3 September, 2026

    57.9 °F

  • Average September

    72.8 °F

  • Highest 9 September, 2026

    89.1 °F

Climate (2021–2026)

Imperial Beach Naval Outlying Field - Ream Field (1.2 miles)

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  • Average Low 2021–2026

    56.5 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    69.5 °F
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