San Joaquin River - Antioch Bridge Weather Forecast
- 43
- 47
Dense Fog
- 50
- 55
Mostly Cloudy
- 57
- 58
Rain Showers Likely
- 49
- 60
Slight Chance Rain Showers
- 53
- 56
Rain Showers Likely
- 53
- 57
Rain Showers Likely
Today 14 Dec Carquinez Strait and Delta
Mostly cloudy. Areas of fog. Locally dense until late Afternoon, then patchy fog late in the afternoon. Highs around 46. Light Winds.
Tonight 14 Dec Carquinez Strait and Delta
Mostly cloudy. Patchy fog. Lows around 41. Light Winds.
San Joaquin River - Antioch Bridge Temperature Statistics
December Temperature
Concord, Buchanan Field (16.2 miles)
Lowest 4 December, 2025
37.9 °FAverage December
45 °FHighest 3 December, 2025
64.9 °F
Climate (2020–Present)
Concord, Buchanan Field (16.2 miles)
Average Low 2020–2025
50.8 °FAverage 2020–2025
61.2 °FAverage High 2020–2025
74.2 °F