San Diego Weather Forecast

    • 45
    • 59

    Mostly Cloudy

    • 59
    • 69

    Chance Thunderstorms

    • 59
    • 74

    Rain Showers Likely

    • 51
    • 83

    Mostly Sunny

    • 54
    • 74

    Partly Sunny

    • 61
    • 84

    Mostly Sunny

    • 62
    • 85

    Partly Sunny

Today 15 Dec Duval

Mostly cloudy. Highs in the upper 50s. Northeast Winds around 5 Mph.

Tonight 15 Dec Duval

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 40s. East Winds around 5 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

San Diego Temperature Statistics

December Temperature

Alice, Alice International Airport (13 miles)

  • Lowest 9 December, 2025

    37 °F
  • Average December

    58.5 °F
  • Highest 7 December, 2025

    84.9 °F

Climate (2020–Present)

Alice, Alice International Airport (13 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2020–2025

    63.3 °F
  • Average 2020–2025

    74 °F
  • Average High 2020–2025

    86.1 °F
Get WillyWeather+ to remove ads