San Joaquin River - Threemile Slough Entrance Weather Forecast
- 50
- 62
Rain Showers
- 48
- 58
Rain Showers
- 48
- 63
Mostly Sunny
- 48
- 66
Mostly Sunny
- 50
- 67
Partly Sunny
- 50
- 69
Mostly Sunny
- 49
- 73
Mostly Sunny
Today 11 Apr Carquinez Strait and Delta
Mostly cloudy. Breezy. A slight chance of rain early in the morning. A chance of rain late in the Morning, then rain Showers likely and a slight chance of Thunderstorms early in the afternoon. A chance of Showers and Thunderstorms late in the afternoon. Highs 61 to 67. South Winds 10 to 15 Mph increasing to 10 to 25 Mph in the afternoon.
Tonight 11 Apr Carquinez Strait and Delta
Rain Showers and a chance of Thunderstorms early in the Evening, then a chance of rain Showers in the late evening and early morning. A slight chance of Thunderstorms in the late evening and overnight. Rain Showers likely late in the night. Lows around 48. South Winds 10 to 20 Mph. Gusts up to 30 Mph in the evening.
San Joaquin River - Threemile Slough Entrance Temperature Statistics
April Temperature
Fairfield / Travis Air Force Base (18.6 miles)
Lowest 5 April, 2026
43 °FAverage April
61.3 °FHighest 5 April, 2026
84.2 °F
Climate (2021–Present)
Fairfield / Travis Air Force Base (18.6 miles)
Average Low 2021–2026
48.8 °FAverage 2021–2026
60.6 °FAverage High 2021–2026
75 °F