San Dieguito Reservoir Weather Forecast

    • 51
    • 78

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 51
    • 78

    Partly Sunny

    • 52
    • 77

    Partly Sunny

    • 52
    • 74

    Mostly Cloudy

    • 51
    • 73

    Partly Sunny

    • 50
    • 70

    Partly Sunny

Today 15 Jan San Diego County Coastal Areas

Sunny. Highs 71 to 76 near the coast to 79 inland. Areas of Winds east to 10 Mph becoming west 10 Mph this afternoon.

Tonight 15 Jan San Diego County Coastal Areas

Partly cloudy. Patchy dense fog. Local visibility one quarter mile or less at Times. Lows 48 to 52. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Dieguito Reservoir Temperature Statistics

January Temperature

Carlsbad, McClellan-Palomar Airport (7.5 miles)

  • Lowest 9 January, 2026

    43 °F

  • Average January

    58.7 °F

  • Highest 11 January, 2026

    78.1 °F

Climate (2021–Present)

Carlsbad, McClellan-Palomar Airport (7.5 miles)

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

  • Average Low 2021–2026

    56.7 °F

  • Average 2021–2026

    62.5 °F

  • Average High 2021–2026

    68.7 °F
Get WillyWeather+ to remove ads