San Carlos Weather Forecast

    • 62
    • 86

    Mostly Cloudy

    • 58
    • 86

    Partly Sunny

    • 57
    • 79

    Mostly Cloudy

    • 58
    • 76

    Mostly Cloudy

    • 56
    • 74

    Mostly Cloudy

    • 54
    • 72

    Mostly Cloudy

Today 28 Mar San Diego County Inland Valleys

Mostly sunny. Highs 84 to 89 in the western Valleys to 87 to 92 near the Foothills. Areas of Winds west to 10 Mph becoming 10 to 15 Mph with Gusts to 25 Mph this afternoon.

Tonight 28 Mar San Diego County Inland Valleys

Partly cloudy. Lows 54 to 62 in wind Sheltered Areas to 59 to 66 in warmer Locations. Areas of Winds northwest 10 to 15 Mph with Gusts to 25 Mph becoming northeast overnight.

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  • Temperature Real-Time

San Carlos Temperature Statistics

March Temperature

Gillespie Field Airport (4.3 miles)

  • Lowest 6 March, 2026

    41 °F

  • Average March

    61 °F

  • Highest 20 March, 2026

    100.4 °F

Climate (2021–Present)

Gillespie Field Airport (4.3 miles)

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  • Average Low 2021–2026

    53.3 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    76.2 °F
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