Old River - Widdows Island Weather Forecast

    • 55
    • 86

    Mostly Sunny

    • 56
    • 75

    Increasing Clouds

    • 50
    • 67

    Chance Rain

    • 43
    • 65

    Chance Rain

    • 47
    • 65

    Partly Sunny

    • 48
    • 63

    Chance Rain

    • 47
    • 66

    Slight Chance Rain

Today 25 Mar Carquinez Strait and Delta

Patchy dense fog in the morning. Mostly sunny. Highs 80 to 86. Northeast Winds up to 10 Mph.

Tonight 25 Mar Carquinez Strait and Delta

Mostly clear. Lows around 54. West Winds up to 10 Mph.

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Old River - Widdows Island Temperature Statistics

March Temperature

Livermore, Livermore Municipal Airport (17.4 miles)

  • Lowest 19 March, 2025

    34.6 °F

  • Average March

    52.1 °F

  • Highest 23 March, 2025

    75 °F

Climate (2020–Present)

Livermore, Livermore Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    48.8 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    74.3 °F
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