San Carlos Weather Forecast

    • 51
    • 77

    Sunny

    • 53
    • 80

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 54
    • 80

    Patchy Fog

    • 53
    • 80

    Patchy Fog

    • 53
    • 80

    Patchy Fog

Today 13 Jan San Diego County Inland Valleys

Sunny. Highs around 80 in the western Valleys to 71 to 76 near the Foothills. Areas of Winds east 10 to 15 Mph becoming west this afternoon. Gusts to 30 Mph.

Tonight 13 Jan San Diego County Inland Valleys

Clear. Lows 45 to 52 in wind Sheltered Areas to 49 to 55 in warmer Locations. Light Winds becoming east 10 Mph overnight.

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  • 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

    54.5 °F

  • Highest 11 January, 2026

    75.2 °F

Climate (2021–Present)

Gillespie Field Airport (4.3 miles)

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  • Average Low 2021–2026

    53.2 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    75.8 °F
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