San Diego Bay National Wildlife Refuge Weather Forecast

    • 66
    • 71

    Increasing Clouds

    • 64
    • 72

    Partly Sunny

    • 66
    • 72

    Partly Sunny

    • 67
    • 73

    Mostly Cloudy

    • 66
    • 72

    Mostly Cloudy

    • 67
    • 72

    Partly Sunny

    • 68
    • 74

    Partly Sunny

Today 17 Sep San Diego County Coastal Areas

Partly cloudy. Highs 75 to 79 near the coast to 80 to 83 inland.

Tonight 17 Sep San Diego County Coastal Areas

Mostly clear this evening. Becoming mostly cloudy. Lows 59 to 65. Areas of Winds northwest 10 Mph this evening becoming light.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Diego Bay National Wildlife Refuge Temperature Statistics

September Temperature

Imperial Beach Naval Outlying Field - Ream Field (4.3 miles)

  • Lowest 3 September, 2026

    57.9 °F

  • Average September

    73.2 °F

  • Highest 9 September, 2026

    89.1 °F

Climate (2021–2026)

Imperial Beach Naval Outlying Field - Ream Field (4.3 miles)

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

  • Average Low 2021–2026

    56.5 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    69.5 °F
Get WillyWeather+ to remove ads