Grant Lake Weather Forecast

    • 46
    • 79

    Sunny

    • 45
    • 73

    Mostly Sunny

    • 51
    • 78

    Sunny

    • 49
    • 83

    Sunny

    • 45
    • 75

    Sunny

    • 45
    • 72

    Sunny

Today 15 Jun Eastern Santa Clara Hills

Sunny. Highs around 80. Southwest Winds around 5 Mph.

Tonight 15 Jun Eastern Santa Clara Hills

Clear. Lows in the 50s. West Winds 5 to 10 Mph.

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Grant Lake Temperature Statistics

June Temperature

South County Airport of Santa Clara County (19.3 miles)

  • Lowest 12 June, 2025

    48.2 °F

  • Average June

    63.2 °F

  • Highest 7 June, 2025

    84.2 °F

Climate (2020–Present)

South County Airport of Santa Clara County (19.3 miles)

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  • Average Low 2020–2025

    47.3 °F

  • Average 2020–2025

    58.4 °F

  • Average High 2020–2025

    73 °F
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