Lyon Groves Weather Forecast

    • 54
    • 74

    Increasing Clouds

    • 55
    • 76

    Mostly Cloudy

    • 53
    • 76

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 55
    • 87

    Sunny

    • 56
    • 90

    Mostly Sunny

Today 27 May East Bay Interior Valleys

Partly cloudy. A slight chance of rain in the afternoon. Highs in the mid 70s. Southwest Winds up to 5 Mph increasing to 5 to 15 Mph in the afternoon.

Tonight 27 May East Bay Interior Valleys

Partly cloudy. A chance of rain after midnight. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lyon Groves Temperature Statistics

May Temperature

Livermore, Livermore Municipal Airport (18 miles)

  • Lowest 14 May, 2026

    47.6 °F

  • Average May

    65.2 °F

  • Highest 21 May, 2026

    92.6 °F

Climate (2021–Present)

Livermore, Livermore Municipal Airport (18 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    74.2 °F
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