San Ramon Weather Forecast

    • 48
    • 74

    Mostly Sunny

    • 50
    • 80

    Partly Sunny

    • 50
    • 80

    Mostly Sunny

    • 53
    • 91

    Mostly Sunny

    • 52
    • 85

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

Today 8 May East Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs near 80. West Winds 5 to 15 Mph.

Tonight 8 May East Bay Interior Valleys

Mostly clear. Lows near 50. Southwest Winds 5 to 15 Mph.

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San Ramon Temperature Statistics

May Temperature

Livermore, Livermore Municipal Airport (10.6 miles)

  • Lowest 3 May, 2026

    50.6 °F

  • Average May

    60.3 °F

  • Highest 1 May, 2026

    77.6 °F

Climate (2021–Present)

Livermore, Livermore Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    74.1 °F
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