Pleasanton Weather Forecast

    • 47
    • 60

    Areas Fog

    • 53
    • 60

    Rain

    • 55
    • 57

    Rain

    • 53
    • 58

    Rain

    • 49
    • 57

    Rain

    • 47
    • 56

    Rain

    • 47
    • 55

    Rain

Today 18 Dec East Bay Interior Valleys

Mostly cloudy. Highs around 60. Southwest Winds around 5 Mph.

Tonight 18 Dec East Bay Interior Valleys

Mostly cloudy. Patchy fog. A slight chance of rain after midnight. Lows in the upper 40s. Light Winds. Becoming south around 5 Mph after midnight.

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Pleasanton Temperature Statistics

December Temperature

Livermore, Livermore Municipal Airport (3.7 miles)

  • Lowest 14 December, 2025

    34 °F

  • Average December

    43.6 °F

  • Highest 2 December, 2025

    63 °F

Climate (2020–Present)

Livermore, Livermore Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    48.8 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    73.9 °F
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