Lake Oroville — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Lake Oroville, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Lake Oroville today is 21.2°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 | 22.2°C | 22.8°C | |
| JUN 4 | 21.4°C | 22.8°C | |
| JUN 5 | 21.0°C | 22.8°C | |
| JUN 6 | 21.5°C | 22.8°C | |
| JUN 7 | 21.4°C | 22.8°C | |
| JUN 8 | 21.2°C | 22.8°C | |
| JUN 10 | 21.2°C | 22.8°C | |
| JUN 11 | 22.8°C | 21.3°C | |
| JUN 12 | 22.8°C | 21.4°C | |
| JUN 13 | 22.8°C | 21.4°C | |
| JUN 14 | 22.8°C | 21.5°C | |
| JUN 15 | 22.8°C | 21.6°C | |
| JUN 16 | 22.8°C | 21.7°C | |
| JUN 17 | 22.8°C | 21.8°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 | 4°C | 8°C | 11°C |
| February | 5°C | 8°C | 12°C |
| March | 3°C | 11°C | 19°C |
| April | 10°C | 14°C | 18°C |
| May | 14°C | 19°C | 24°C |
| June | 20°C | 23°C | 25°C |
| July | 21°C | 25°C | 29°C |
| August | 23°C | 26°C | 29°C |
| September | 22°C | 24°C | 27°C |
| October | 15°C | 19°C | 23°C |
| November | 11°C | 16°C | 19°C |
| December | 6°C | 9°C | 12°C |
Lake Oroville: Water Temperature by Location
Lake Oroville: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Lake Oroville’s surface water temperatures vary substantially through the year and with depth. In winter the surface commonly falls into the mid-40s to mid-50s °F (about 7–13 °C). Spring sees a steady rise, often ranging from roughly 50–65 °F (10–18 °C) as warming progresses. In summer, sheltered bays and shallow areas can reach the low to mid-70s °F and occasionally approach the low 80s °F (about 21–28 °C), while deeper sections remain noticeably cooler. During autumn, surface readings typically cool back into the 60s to lower 70s °F (15–23 °C). Because Oroville is a reservoir, thermal stratification and inflows can create sharp temperature differences between surface and deeper water.
Swimming is permitted in many recreation areas around Lake Oroville, particularly at state and county parks that designate swim-friendly shorelines, but access and conditions can change with water levels and local rules. Safety considerations shape whether swimming is advisable: cold water shock and rapid hypothermia are concerns in colder months and near deep water, and boat traffic, submerged hazards and occasional water-quality advisories can restrict swimming at times. Visitors should follow posted regulations at specific parks, heed any advisories, and take precautions such as staying near shore and wearing flotation if conditions are uncertain.