Napa River - Slaughterhouse Point Weather Forecast

    • 49
    • 57

    Mostly Cloudy

    • 48
    • 58

    Mostly Cloudy

    • 45
    • 57

    Partly Sunny

    • 43
    • 58

    Partly Sunny

    • 44
    • 55

    Mostly Cloudy

    • 44
    • 57

    Partly Sunny

Today 21 Jan Carquinez Strait and Delta

Mostly cloudy. Areas of fog in the Morning, then patchy fog in the afternoon. Highs around 53. Light Winds.

Tonight 21 Jan Carquinez Strait and Delta

Cloudy. Lows around 47. Light Winds.

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Napa River - Slaughterhouse Point Temperature Statistics

January Temperature

Napa, Napa County Airport (3.7 miles)

  • Lowest 9 January, 2026

    32 °F

  • Average January

    49.4 °F

  • Highest 15 January, 2026

    62.1 °F

Climate (2021–Present)

Napa, Napa County Airport (3.7 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70 °F
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