Sycamore Grove Park Weather Forecast

    • 68
    • 92

    Increasing Clouds

    • 72
    • 98

    Hot

    • 61
    • 93

    Mostly Sunny

    • 56
    • 84

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

Today 8 Sep East Bay Interior Valleys

Sunny. Highs in the 90s. North Winds up to 5 Mph.

Tonight 8 Sep East Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 60s. Northwest Winds 5 to 10 Mph.

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Sycamore Grove Park Temperature Statistics

September Temperature

Livermore, Livermore Municipal Airport (4.3 miles)

  • Lowest 5 September, 2026

    50.6 °F

  • Average September

    66.4 °F

  • Highest 5 September, 2026

    82.7 °F

Climate (2021–2026)

Livermore, Livermore Municipal Airport (4.3 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    74.1 °F
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