Graham Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Graham Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Graham Lake today is 25.8°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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 |
|---|---|---|---|
| JUL 14 | 24.8°C | 22.5°C | |
| JUL 15 | 27.0°C | 22.5°C | |
| JUL 16 | 26.9°C | 22.5°C | |
| JUL 17 | 26.9°C | 22.5°C | |
| JUL 18 | 26.7°C | 22.5°C | |
| JUL 19 | 26.2°C | 22.5°C | |
| JUL 20 | 26.1°C | 22.5°C | |
| JUL 21 | 26.1°C | 22.5°C | |
| JUL 22 | 22.5°C | 25.6°C | |
| JUL 23 | 22.5°C | 25.5°C | |
| JUL 24 | 22.5°C | 25.3°C | |
| JUL 25 | 22.5°C | 25.1°C | |
| JUL 26 | 22.5°C | 25.0°C | |
| JUL 27 | 22.5°C | 24.8°C | |
| JUL 28 | 22.5°C | 24.6°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 | 5°C |
| February | 0°C | 2°C | 4°C |
| March | 0°C | 1°C | 3°C |
| April | 0°C | 3°C | 7°C |
| May | 4°C | 9°C | 14°C |
| June | 11°C | 15°C | 19°C |
| July | 18°C | 23°C | 27°C |
| August | 22°C | 24°C | 27°C |
| September | 18°C | 21°C | 24°C |
| October | 10°C | 14°C | 18°C |
| November | 3°C | 8°C | 12°C |
| December | 0°C | 3°C | 6°C |
Graham Lake: Water Temperature by Location
Graham Lake: Weather Forecast
July 22
July 23
July 24
July 25
July 26
Location & Local Information
Graham Lake in Maine experiences the seasonal temperature swings typical of northern New England lakes. Surface temperatures in spring generally range from about 45 to 60 °F (7 to 16 °C) as the water thaws and slowly warms. In the warmest part of summer surface readings commonly reach roughly 65 to 75 °F (18 to 24 °C), though deeper water remains much cooler, often staying in the 40s °F (4–9 °C). By fall the surface cools back into the 50 to 65 °F (10 to 18 °C) band, and in winter the lake is at or just above freezing with ice cover; water under the ice is typically around 32 to 39 °F (0 to 4 °C).
Swimming at Graham Lake is generally possible and frequently done during the summer months when surface temperatures are most comfortable. Access is subject to public access points, private shoreline ownership, and any posted advisories; cold-water shock and the risk of hypothermia make early- and late-season swims less safe because even warm days can have chilly sub-surface temperatures. As with any lake, swimmers should heed local water-quality notices (for example, algal bloom warnings), watch for boat traffic, and use caution near drop-offs where deeper, colder water may be encountered.