Frank Horan Slough Weather Forecast

    • 42
    • 67

    Becoming Sunny

    • 43
    • 66

    Mostly Sunny

    • 48
    • 65

    Mostly Cloudy

    • 48
    • 64

    Mostly Cloudy

    • 49
    • 64

    Mostly Cloudy

    • 46
    • 62

    Chance Rain

Today 3 Feb Carquinez Strait and Delta

Partly cloudy in the morning then clearing. Areas of fog until late afternoon. Highs around 65. Northeast Winds up to 10 Mph.

Tonight 3 Feb Carquinez Strait and Delta

Mostly clear. Patchy fog after midnight. Lows 39 to 44. Light Winds.

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Frank Horan Slough Temperature Statistics

February Temperature

Napa, Napa County Airport (9.9 miles)

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  • Average February

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Climate (2021–Present)

Napa, Napa County Airport (9.9 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70.1 °F
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