San Ramon Weather Forecast

    • 53
    • 92

    Sunny

    • 49
    • 75

    Mostly Sunny

    • 48
    • 63

    Partly Sunny

    • 48
    • 66

    Chance Rain Showers

    • 50
    • 69

    Slight Chance Rain Showers

    • 48
    • 66

    Partly Sunny

Today 17 Oct East Bay Interior Valleys

Sunny. Highs near 90. East Winds up to 5 Mph. Becoming northwest in the afternoon.

Tonight 17 Oct East Bay Interior Valleys

Clear. Lows in the mid 50s. West Winds up to 5 Mph in the evening. Becoming light.

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San Ramon Temperature Statistics

October Temperature

Livermore, Livermore Municipal Airport (10.6 miles)

  • Lowest 11 October, 2026

    45.6 °F

  • Average October

    72.6 °F

  • Highest 6 October, 2026

    102.7 °F

Climate (2021–2026)

Livermore, Livermore Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    49.1 °F

  • Average 2021–2026

    61.1 °F

  • Average High 2021–2026

    74.1 °F
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