San Martin Weather Forecast

    • 40
    • 65

    Becoming Sunny

    • 41
    • 66

    Sunny

    • 42
    • 69

    Sunny

    • 45
    • 73

    Mostly Sunny

    • 47
    • 77

    Sunny

    • 45
    • 73

    Partly Sunny

Today 4 Mar Santa Clara Valley Including San Jose

Mostly cloudy late in the morning then becoming sunny. Highs in the mid 60s. Northwest Winds 10 to 20 Mph.

Tonight 4 Mar Santa Clara Valley Including San Jose

Mostly clear. Lows in the lower 40s. Northwest Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Martin Temperature Statistics

March Temperature

South County Airport of Santa Clara County (0.6 miles)

  • Lowest 2 March, 2026

    48.2 °F

  • Average March

    56.8 °F

  • Highest 1 March, 2026

    69.8 °F

Climate (2021–Present)

South County Airport of Santa Clara County (0.6 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    72.9 °F
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