Sweetwater Marsh National Wildlife Refuge Weather Forecast

    • 59
    • 68

    Increasing Clouds

    • 59
    • 73

    Partly Sunny

    • 58
    • 69

    Mostly Cloudy

    • 60
    • 68

    Partly Sunny

    • 61
    • 71

    Partly Sunny

    • 64
    • 76

    Patchy Fog

    • 64
    • 77

    Partly Sunny

Today 23 Oct San Diego County Coastal Areas

Partly cloudy this morning. Becoming mostly sunny. Highs 67 to 72 near the coast to 71 to 74 inland. Light Winds becoming west 10 Mph this afternoon.

Tonight 23 Oct San Diego County Coastal Areas

Mostly clear this evening. Becoming partly cloudy. Lows 54 to 58. Areas of Winds northwest to 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sweetwater Marsh National Wildlife Refuge Temperature Statistics

October Temperature

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

  • Lowest 16 October, 2025

    52 °F

  • Average October

    64.2 °F

  • Highest 18 October, 2025

    82.9 °F

Climate (2020–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    56.7 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    69.1 °F
Get WillyWeather+ to remove ads