San Carlos Weather Forecast

    • 52
    • 81

    Increasing Clouds

    • 52
    • 79

    Partly Sunny

    • 50
    • 76

    Partly Sunny

    • 50
    • 76

    Mostly Sunny

    • 50
    • 73

    Partly Sunny

    • 51
    • 72

    Mostly Cloudy

    • 52
    • 68

    Mostly Cloudy

Today 17 Jan San Diego County Inland Valleys

Mostly sunny. Highs 80 to 83 in the western Valleys to 74 to 79 near the Foothills. Areas of Winds east 10 to 20 Mph. Gusts to 25 Mph. Becoming 35 Mph this afternoon.

Tonight 17 Jan San Diego County Inland Valleys

Partly cloudy. Lows 49 to 56. Areas of Winds east 10 to 15 Mph. Gusts to 30 Mph this evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

San Carlos Temperature Statistics

January Temperature

Gillespie Field Airport (4.3 miles)

  • Lowest 10 January, 2026

    35.6 °F

  • Average January

    53.5 °F

  • Highest 14 January, 2026

    82.4 °F

Climate (2021–Present)

Gillespie Field Airport (4.3 miles)

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

  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    60.2 °F

  • Average High 2021–2026

    75.8 °F
Get WillyWeather+ to remove ads