Joseph D. Grant County Park Weather Forecast

    • 50
    • 85

    Mostly Sunny

    • 49
    • 68

    Chance Rain

    • 44
    • 59

    Chance Rain

    • 38
    • 57

    Slight Chance Rain

    • 41
    • 59

    Rain Likely

    • 44
    • 55

    Rain Likely

    • 42
    • 59

    Chance Rain

Today 25 Mar Eastern Santa Clara Hills

Sunny. Highs in the upper 70s. Southeast Winds around 5 Mph.

Tonight 25 Mar Eastern Santa Clara Hills

Mostly clear. Lows in the mid 40s to lower 50s. North Winds around 5 Mph. Becoming south after midnight.

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Joseph D. Grant County Park Temperature Statistics

March Temperature

South County Airport of Santa Clara County (18.6 miles)

  • Lowest 7 March, 2025

    35.6 °F

  • Average March

    50.6 °F

  • Highest 23 March, 2025

    73.4 °F

Climate (2020–Present)

South County Airport of Santa Clara County (18.6 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    58.5 °F

  • Average High 2020–2025

    73.1 °F
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