Frank Horan Slough Weather Forecast

    • 50
    • 72

    Mostly Sunny

    • 48
    • 75

    Sunny

    • 48
    • 76

    Sunny

    • 50
    • 76

    Sunny

    • 53
    • 79

    Sunny

    • 52
    • 81

    Sunny

Today 27 Apr Carquinez Strait and Delta

Mostly sunny. Highs 68 to 74. West Winds 10 to 15 Mph.

Tonight 27 Apr Carquinez Strait and Delta

Mostly clear. Near the Bay, mostly clear in the evening then becoming mostly cloudy. Lows around 50. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Frank Horan Slough Temperature Statistics

April Temperature

Napa, Napa County Airport (9.9 miles)

  • Lowest 6 April, 2024

    33.7 °F

  • Average April

    56.3 °F

  • Highest 10 April, 2024

    78.7 °F

Climate (2019–Present)

Napa, Napa County Airport (9.9 miles)

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  • Average Low 2019–2024

    47 °F

  • Average 2019–2024

    57.7 °F

  • Average High 2019–2024

    70.3 °F
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