Grant Lake Weather Forecast

    • 52
    • 81

    Sunny

    • 50
    • 76

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

    • 48
    • 74

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 54
    • 83

    Sunny

Today 17 Jun Eastern Santa Clara Hills

Sunny. Highs in the lower 80s. Southwest Winds around 5 Mph.

Tonight 17 Jun Eastern Santa Clara Hills

Mostly clear. Lows in the 50s to lower 60s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Grant Lake Temperature Statistics

June Temperature

South County Airport of Santa Clara County (19.3 miles)

  • Lowest 7 June, 2026

    48.2 °F

  • Average June

    66.6 °F

  • Highest 11 June, 2026

    95 °F

Climate (2021–2026)

South County Airport of Santa Clara County (19.3 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    73.1 °F
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