Isleton Weather Forecast
- 38
- 45
Dense Fog
- 40
- 45
Mostly Cloudy
- 45
- 53
Mostly Cloudy
- 54
- 58
Rain Showers Likely
- 47
- 62
Slight Chance Rain Showers
- 50
- 57
Chance Rain Showers
- 49
- 56
Rain Showers Likely
Today 13 Dec Carquinez Strait and Delta
Mostly cloudy. Areas of fog. Locally dense in the Morning, then patchy fog in the afternoon. Highs around 46. Light Winds.
Tonight 13 Dec Carquinez Strait and Delta
Mostly cloudy. Patchy fog in the Evening, then Areas of fog. Locally dense after midnight. Lows around 40. Light Winds.
Isleton Temperature Statistics
December Temperature
Fairfield / Travis Air Force Base (19.9 miles)
Lowest 4 December, 2025
35.2 °FAverage December
44.9 °FHighest 3 December, 2025
64.8 °F
Climate (2020–Present)
Fairfield / Travis Air Force Base (19.9 miles)
Average Low 2020–2025
48.6 °FAverage 2020–2025
60.4 °FAverage High 2020–2025
75 °F