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Grand Lake Matagamon — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Grand Lake Matagamon, trends, monthly ranges and the forecast for the coming days.

Lake Winnipesaukee, United States
Lake Winnipesaukee, United States © CC BY 3.0

Current Water Temperature

23.2°C
Today
24.1°C
Yesterday
22.8°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Grand Lake Matagamon today is 23.2°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

From June 20 to July 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1422.8°C21.5°C
JUL 1524.6°C21.5°C
JUL 1624.6°C21.5°C
JUL 1724.9°C21.5°C
JUL 1824.6°C21.5°C
JUL 1924.1°C21.5°C
JUL 2024.1°C21.5°C
JUL 2123.9°C21.5°C
JUL 2221.5°C23.1°C
JUL 2321.5°C23.0°C
JUL 2421.5°C22.9°C
JUL 2521.5°C22.9°C
JUL 2621.5°C22.8°C
JUL 2721.5°C22.7°C
JUL 2821.5°C22.6°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
January0°C3°C6°C
February1°C3°C6°C
March0°C2°C5°C
April0°C3°C6°C
May4°C8°C12°C
June10°C14°C18°C
July17°C22°C26°C
August18°C21°C23°C
September17°C19°C22°C
October6°C12°C17°C
November1°C6°C10°C
December0°C3°C6°C

Grand Lake Matagamon: Water Temperature by Location

Grand Lake Matagamon: Weather Forecast

July 22

° / °
slight thunderstorm
rain: 82% | wind:

July 23

° / °
dense intensity drizzle
rain: 82% | wind:

July 24

° / °
partly cloudy
rain: 5% | wind:

July 25

° / °
partly cloudy
rain: 24% | wind:

July 26

° / °
overcast
rain: 27% | wind:

Location & Local Information

Grand Lake Matagamon in northern Maine tends to be a cool, forest‑surrounded body of water whose temperatures reflect seasonal New England patterns. After ice‑out in spring, surface waters commonly range from about 35–60°F (2–15°C) as the lake slowly warms. In mid to late summer typical surface temperatures are roughly 60–74°F (15–23°C), with shallow, sheltered bays occasionally reaching the mid‑70s°F (24–26°C) on warm weeks. By early fall the lake cools back toward roughly 50–65°F (10–18°C) before freezing again in winter; beneath the ice the water will sit near the temperature of maximum density around 34–39°F (1–4°C).

Swimming at Grand Lake Matagamon is generally possible, but conditions differ from more developed public beaches. There are no widespread lifeguarded facilities, and access points are often rustic, so swimmers should be prepared for sudden depth changes, cold water temperatures, and limited shore support. Water that is below about 60°F (15–16°C) can induce cold‑shock and increase hypothermia risk, so summer is the most comfortable season for swimming, while spring and fall require caution and winter swimming is unsafe except for experienced, well‑equipped individuals. Always observe posted advisories and use common‑sense safety measures.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Grand Lake Matagamon?
Water Temperature in Grand Lake Matagamon today is 23.2°C.
What is the water temperature in Grand Lake Matagamon during the summer months?
The water temperature in Grand Lake Matagamon in summer fluctuates in the range of 10°C - 26°C.
Is it possible to swim in Grand Lake Matagamon and what are the possibilities for this?
Yes, it's possible to swim in Grand Lake Matagamon, Maine. Opportunities include public access points, campgrounds, and boat launches, which may also provide swimming options.