Swanzy Reservoir Weather Forecast
- 39
- 55
Partly Sunny
- 43
- 55
Mostly Cloudy
- 50
- 55
Rain Showers Likely
- 52
- 60
Rain Showers Likely
- 50
- 61
Chance Rain Showers
- 47
- 59
Rain Showers Likely
Today 29 Jan Carquinez Strait and Delta
Mostly cloudy in the morning then clearing. Near the Bay, mostly cloudy. Areas of frost in the morning. Highs 53 to 59. Light Winds.
Tonight 29 Jan Carquinez Strait and Delta
Mostly clear. Lows 33 to 39. Light Winds.
Swanzy Reservoir Temperature Statistics
January Temperature
Napa, Napa County Airport (9.3 miles)
Lowest 22 January, 2025
28.9 °FAverage January
49.2 °FHighest 7 January, 2025
70.6 °F
Climate (2020–Present)
Napa, Napa County Airport (9.3 miles)
Take a look at our website widgetsAvailable free! Find Out MoreAverage Low 2020–2025
47 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
70.7 °F