Napa River - Slaughterhouse Point Weather Forecast
- 43
- 54
Mostly Sunny
- 46
- 56
Mostly Sunny
- 47
- 57
Partly Sunny
- 48
- 57
Partly Sunny
- 49
- 59
Partly Sunny
- 49
- 60
Partly Sunny
- 48
- 60
Mostly Sunny
Today 5 Dec Carquinez Strait and Delta
Mostly cloudy in the morning then becoming partly cloudy. Widespread fog. Locally dense early in the Morning, then Areas of fog. Locally dense late in the morning. Patchy dense fog early in the afternoon. Highs 51 to 56. Light Winds.
Tonight 5 Dec Carquinez Strait and Delta
Partly cloudy. Patchy fog through the night. Lows around 42. Light Winds.
Napa River - Slaughterhouse Point Temperature Statistics
December Temperature
Napa, Napa County Airport (3.7 miles)
Lowest 2 December, 2025
37 °FAverage December
47.9 °FHighest 3 December, 2025
66 °F
Climate (2020–Present)
Napa, Napa County Airport (3.7 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
70.2 °F