Sacramento River - Decker Island Weather Forecast
- 48
- 51
Rain
- 50
- 57
Rain
- 54
- 57
Rain
- 54
- 55
Rain
- 50
- 54
Rain
- 49
- 52
Rain Likely
- 44
- 52
Chance Rain
Today 31 Dec Carquinez Strait and Delta
Cloudy. Widespread fog. Locally dense early in the Morning, then Areas of fog late in the morning. Patchy fog in the afternoon. A slight chance of rain late in the morning. A chance of rain in the afternoon. Highs around 49. East Winds up to 10 Mph.
Tonight 31 Dec Carquinez Strait and Delta
Rain. Patchy fog. Lows around 48. Northeast Winds up to 10 Mph.
Sacramento River - Decker Island Temperature Statistics
December Temperature
Fairfield / Travis Air Force Base (16.8 miles)
Lowest 29 December, 2025
33.3 °FAverage December
48.1 °FHighest 17 December, 2025
65.3 °F
Climate (2020–Present)
Fairfield / Travis Air Force Base (16.8 miles)
Average Low 2020–2025
48.7 °FAverage 2020–2025
60.5 °FAverage High 2020–2025
75 °F