Frank Horan Slough Weather Forecast

    • 53
    • 67

    Decreasing Clouds

    • 53
    • 74

    Partly Sunny

    • 51
    • 74

    Mostly Sunny

    • 54
    • 77

    Sunny

    • 55
    • 85

    Sunny

    • 57
    • 89

    Mostly Sunny

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Frank Horan Slough Temperature Statistics

May Temperature

Napa, Napa County Airport (9.9 miles)

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  • Average May

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Climate (2021–Present)

Napa, Napa County Airport (9.9 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    70.2 °F
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