Old River - Widdows Island Weather Forecast

    • 60
    • 92

    Decreasing Clouds

    • 59
    • 88

    Partly Sunny

    • 59
    • 90

    Sunny

    • 60
    • 92

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 59
    • 90

    Partly Sunny

    • 60
    • 93

    Mostly Sunny

Today 20 Aug San Joaquin County Delta

Partly cloudy in the morning then becoming mostly sunny. Highs 85 to 93. West Winds around 10 Mph with Gusts to around 20 Mph.

Tonight 20 Aug San Joaquin County Delta

Mostly clear. Lows around 59. West Winds up to 10 Mph with Gusts to around 20 Mph.

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Old River - Widdows Island Temperature Statistics

August Temperature

Livermore, Livermore Municipal Airport (17.4 miles)

  • Lowest 18 August, 2026

    55.9 °F

  • Average August

    74.3 °F

  • Highest 3 August, 2026

    102.7 °F

Climate (2021–2026)

Livermore, Livermore Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    74.1 °F
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