Asco Weather Forecast

    • 63
    • 86

    Chance Rain Showers

    • 60
    • 83

    Chance Rain Showers

    • 60
    • 85

    Mostly Sunny

    • 61
    • 86

    Sunny

    • 63
    • 94

    Mostly Sunny

    • 62
    • 86

    Chance Rain Showers

Today 18 Sep East Bay Interior Valleys

Mostly cloudy. A slight chance of Showers and isolated Thunderstorms in the afternoon. Highs in the upper 80s. Southwest Winds 5 to 15 Mph.

Tonight 18 Sep East Bay Interior Valleys

Mostly cloudy. A chance of Showers and isolated Thunderstorms. Lows in the mid 60s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Asco Temperature Statistics

September Temperature

Livermore, Livermore Municipal Airport (3.1 miles)

  • Lowest 15 September, 2025

    57 °F

  • Average September

    69 °F

  • Highest 1 September, 2025

    100.9 °F

Climate (2020–Present)

Livermore, Livermore Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    48.7 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    74.2 °F
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