Sweetwater Marsh National Wildlife Refuge Weather Forecast

    • 63
    • 69

    Increasing Clouds

    • 65
    • 70

    Mostly Cloudy

    • 65
    • 71

    Mostly Cloudy

    • 63
    • 70

    Mostly Cloudy

    • 63
    • 70

    Mostly Cloudy

    • 64
    • 69

    Mostly Cloudy

    • 62
    • 68

    Mostly Cloudy

Today 22 Jun San Diego County Coastal Areas

Mostly cloudy this morning. Becoming mostly sunny. Highs 70 to 73 near the coast to 73 to 78 inland. Areas of Winds west to 10 Mph.

Tonight 22 Jun San Diego County Coastal Areas

Partly cloudy this evening. Becoming mostly cloudy. Patchy fog. Lows 56 to 62. Areas of Winds west to 10 Mph this evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Marsh National Wildlife Refuge Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    55 °F

  • Average June

    66.4 °F

  • Highest 12 June, 2026

    75.9 °F

Climate (2021–2026)

Imperial Beach Naval Outlying Field - Ream Field (5 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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