Frank Horan Slough Weather Forecast

    • 54
    • 84

    Partly Sunny

    • 54
    • 66

    Partly Sunny

    • 47
    • 64

    Partly Sunny

    • 43
    • 62

    Partly Sunny

    • 46
    • 64

    Rain Showers Likely

    • 48
    • 61

    Chance Rain Showers

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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  • Temperature Forecast NOAA

  • Temperature Real-Time

Frank Horan Slough Temperature Statistics

March Temperature

Napa, Napa County Airport (9.9 miles)

  • Lowest 7 March, 2025

    33.7 °F

  • Average March

    50.8 °F

  • Highest 23 March, 2025

    70 °F

Climate (2020–Present)

Napa, Napa County Airport (9.9 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.7 °F
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