Onota Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Onota Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Onota Lake today is 18.9°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 | 14.6°C | 17.0°C | |
| JUN 4 | 15.0°C | 17.0°C | |
| JUN 5 | 15.4°C | 17.0°C | |
| JUN 6 | 15.9°C | 17.0°C | |
| JUN 7 | 18.4°C | 17.0°C | |
| JUN 8 | 18.5°C | 17.0°C | |
| JUN 11 | 17.0°C | 18.8°C | |
| JUN 12 | 17.0°C | 18.7°C | |
| JUN 13 | 17.0°C | 18.6°C | |
| JUN 14 | 17.0°C | 18.5°C | |
| JUN 15 | 17.0°C | 18.4°C | |
| JUN 16 | 17.0°C | 18.3°C | |
| JUN 17 | 17.0°C | 18.2°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 | 0°C | 2°C | 4°C |
| February | 0°C | 2°C | 5°C |
| March | 1°C | 4°C | 8°C |
| April | 4°C | 8°C | 12°C |
| May | 10°C | 13°C | 17°C |
| June | 14°C | 17°C | 20°C |
| July | 20°C | 25°C | 29°C |
| August | 20°C | 23°C | 25°C |
| September | 18°C | 21°C | 23°C |
| October | 11°C | 15°C | 18°C |
| November | 5°C | 10°C | 13°C |
| December | 2°C | 5°C | 7°C |
Onota Lake: Water Temperature by Location
Onota Lake: Weather Forecast
June 9
June 10
June 11
June 12
Location & Local Information
Onota Lake in Pittsfield, Massachusetts, tends to follow the seasonal temperature patterns typical of mid-Atlantic/New England lakes. In winter the surface cools to around 32°F (0°C) with ice cover possible on colder spells. Spring brings a steady rise, with surface temperatures commonly in the 40–60°F range (4–16°C) as the lake mixes. Peak summer warmth is usually reached from July into August, when surface readings often sit between 70–80°F (21–27°C), though shallow bays can be warmer and deeper areas remain cooler. Early fall gradually cools back toward the 60–70°F band (16–21°C) before autumn stratification breaks down.
Swimming is generally allowed in Onota Lake, particularly at designated public beaches such as those managed by the city and at private shorelines, but it is subject to local rules and water-quality advisories. Warmer summer surface temperatures make recreational swimming comfortable during June–September, while spring and late fall can feel chilly and present increased risks from cold shock. Water quality, algal blooms, or hazardous weather can prompt temporary closures, so swimmers should follow posted guidance and exercise caution regarding depth, sudden temperature changes with depth, and the presence or absence of lifeguards.