Tijuana River National Estuarine Research Reserve Weather Forecast

    • 58
    • 70

    Patchy Fog

    • 58
    • 68

    Mostly Cloudy

    • 58
    • 68

    Mostly Cloudy

    • 58
    • 67

    Partly Sunny

    • 58
    • 66

    Mostly Cloudy

    • 57
    • 65

    Mostly Cloudy

Today 21 May San Diego County Coastal Areas

Partly cloudy with patchy fog this morning. Becoming mostly sunny. Highs 69 to 74 near the coast to 76 to 79 inland. Areas of Winds southwest to 10 Mph.

Tonight 21 May San Diego County Coastal Areas

Partly cloudy in the evening. Becoming mostly cloudy overnight with patchy fog. Lows 54 to 58. Areas of Winds southwest 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tijuana River National Estuarine Research Reserve Temperature Statistics

May Temperature

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

  • Lowest 6 May, 2026

    52 °F

  • Average May

    63.2 °F

  • Highest 19 May, 2026

    72 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    56.4 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    69.3 °F
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