San Carlos Weather Forecast

    • 54
    • 84

    Mostly Sunny

    • 52
    • 78

    Partly Sunny

    • 52
    • 74

    Partly Sunny

    • 54
    • 79

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 55
    • 80

    Partly Sunny

    • 52
    • 75

    Patchy Fog

Today 31 Jan San Diego County Inland Valleys

Sunny. Highs 83 to 86 in the western Valleys to 76 to 81 near the Foothills. Areas of Winds east 10 to 15 Mph with Gusts to 30 Mph.

Tonight 31 Jan San Diego County Inland Valleys

Clear. Lows 46 to 55 in wind Sheltered Areas to 52 to 59 in warmer Locations. Areas of Winds east 10 Mph this evening becoming light.

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  • Temperature Real-Time

San Carlos Temperature Statistics

January Temperature

Gillespie Field Airport (4.3 miles)

  • Lowest 10 January, 2026

    35.6 °F

  • Average January

    53.1 °F

  • Highest 14 January, 2026

    82.4 °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

    75.9 °F
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