Sweetwater Marsh National Wildlife Refuge Weather Forecast

    • 65
    • 70

    Increasing Clouds

    • 64
    • 71

    Mostly Cloudy

    • 64
    • 72

    Mostly Cloudy

    • 64
    • 70

    Mostly Cloudy

    • 62
    • 69

    Mostly Cloudy

    • 63
    • 69

    Mostly Cloudy

Today 22 Jul San Diego County Coastal Areas

Mostly cloudy this morning. Becoming mostly sunny. Highs 72 to 76. Areas of Winds west to 10 Mph.

Tonight 22 Jul San Diego County Coastal Areas

Partly cloudy in the evening. Becoming cloudy. Lows 58 to 64. Areas of Winds west 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Marsh National Wildlife Refuge Temperature Statistics

July Temperature

Imperial Beach Naval Outlying Field - Ream Field (5 miles)

  • Lowest 9 July, 2025

    57.7 °F

  • Average July

    67.5 °F

  • Highest 8 July, 2025

    74.6 °F

Climate (2020–Present)

Imperial Beach Naval Outlying Field - Ream Field (5 miles)

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  • Average Low 2020–2025

    56.8 °F

  • Average 2020–2025

    63.4 °F

  • Average High 2020–2025

    69.1 °F
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