Shelltown Weather Forecast

    • 51
    • 70

    Patchy Fog

    • 54
    • 67

    Mostly Cloudy

    • 54
    • 65

    Slight Chance Rain Showers

    • 53
    • 64

    Mostly Cloudy

    • 50
    • 66

    Partly Sunny

    • 51
    • 70

    Partly Sunny

Today 20 Jan San Diego County Coastal Areas

Patchy fog in the morning. Partly cloudy. Local visibility one quarter mile or less at Times in the morning. Highs around 70 near the coast to 73 to 76 inland. Light Winds.

Tonight 20 Jan San Diego County Coastal Areas

Partly cloudy. Patchy fog overnight. Local visibility one quarter mile or less at Times overnight. Lows 47 to 51. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Shelltown Temperature Statistics

January Temperature

San Diego, San Diego International-Lindbergh Field (5 miles)

  • Lowest 10 January, 2026

    39.9 °F

  • Average January

    59 °F

  • Highest 15 January, 2026

    78.1 °F

Climate (2021–Present)

San Diego, San Diego International-Lindbergh Field (5 miles)

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

  • Average Low 2021–2026

    57.9 °F

  • Average 2021–2026

    63.8 °F

  • Average High 2021–2026

    70.7 °F
Get WillyWeather+ to remove ads