Lake Chabot — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Chabot, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Chabot today is 21°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart Over the Last 30 Days
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 3 | 20.2°C | 22.2°C | |
| JUN 4 | 20.5°C | 22.2°C | |
| JUN 5 | 20.7°C | 22.2°C | |
| JUN 6 | 20.7°C | 22.2°C | |
| JUN 7 | 21.3°C | 22.2°C | |
| JUN 8 | 21.2°C | 22.2°C | |
| JUN 10 | 21.0°C | 22.2°C | |
| JUN 11 | 22.2°C | 21.1°C | |
| JUN 12 | 22.2°C | 21.1°C | |
| JUN 13 | 22.2°C | 21.2°C | |
| JUN 14 | 22.2°C | 21.2°C | |
| JUN 15 | 22.2°C | 21.3°C | |
| JUN 16 | 22.2°C | 21.4°C | |
| JUN 17 | 22.2°C | 21.4°C |
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.
Monthly Water Temperature Range (Min, Max & Average)
| Month | Min | Avg | Max |
|---|---|---|---|
| January | 10°C | 16°C | 21°C |
| February | 10°C | 16°C | 22°C |
| March | 12°C | 18°C | 23°C |
| April | 15°C | 20°C | 24°C |
| May | 17°C | 21°C | 24°C |
| June | 20°C | 22°C | 25°C |
| July | 21°C | 24°C | 27°C |
| August | 22°C | 24°C | 27°C |
| September | 21°C | 23°C | 26°C |
| October | 19°C | 22°C | 25°C |
| November | 13°C | 19°C | 24°C |
| December | 10°C | 15°C | 18°C |
Lake Chabot: Water Temperature by Location
Lake Chabot: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Lake Chabot, a reservoir in the East Bay hills of California, typically has cool water year-round compared with coastal or inland lakes. Seasonal surface temperatures commonly fall roughly between 48–55°F (9–13°C) in winter, warm to about 52–60°F (11–16°C) in spring, peak near 60–72°F (16–22°C) in summer, and then ease back to roughly 58–65°F (14–18°C) in the fall. Variability depends on air temperature, wind, rainfall, and how deeply water mixes; deeper and shaded areas remain noticeably colder even in summer. These ranges reflect typical surface readings rather than colder subsurface thermoclines, so actual conditions can feel brisk or chilly for prolonged immersion.
Swimming at Lake Chabot is generally not permitted because the lake is a managed reservoir and protection of water quality and public safety are priorities. Authorities restrict direct human contact to reduce contamination of a municipal water source and to prevent accidents related to cold water, sudden drop-offs, submerged structures, and boat traffic. Recreational activities such as fishing, nonmotorized boating, hiking and picnicking are common around the shoreline, but intentional swimming is kept off-limits to comply with reservoir regulations and to minimize health and safety risks.