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Lake George — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Lake George, 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

11.3°C
Today
12.3°C
Yesterday
13.7°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 Lake George today is 11.3°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

❌ As of today, the minimum water temperature ranges from 50°F (10°C) to 54°F (12°C). The water is slightly warmer, but still cool for most people. Swimming in such conditions is possible, but for most people, the time spent in the water should be limited to avoid hypothermia. Even experienced swimmers may feel discomfort if they stay in the water for too long. To improve comfort and safety, a wetsuit can be used. 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 September 12 to October 13

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 513.7°C14.0°C
OCT 613.7°C14.0°C
OCT 714.2°C14.0°C
OCT 813.6°C14.0°C
OCT 912.3°C14.0°C
OCT 1012.9°C14.0°C
OCT 1112.3°C14.0°C
OCT 1211.6°C14.0°C
OCT 1314.0°C11.4°C
OCT 1414.0°C11.6°C
OCT 1514.0°C11.7°C
OCT 1614.0°C11.8°C
OCT 1714.0°C12.0°C
OCT 1814.0°C12.1°C
OCT 1914.0°C12.2°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
January0°C1°C4°C
February0°C1°C4°C
March0°C2°C4°C
April0°C3°C6°C
May2°C7°C12°C
June9°C13°C17°C
July16°C22°C28°C
August21°C24°C26°C
September18°C22°C26°C
October11°C14°C17°C
November3°C8°C12°C
December0°C2°C5°C

Lake George: Water Temperature by Location

Lake George: Weather Forecast

October 13

° / °
moderate drizzle
rain: 71% | wind:

October 14

° / °
moderate rain
rain: 91% | wind:

October 15

° / °
overcast
rain: 24% | wind:

October 16

° / °
slight snow fall
rain: 39% | wind:

October 17

° / °
light drizzle
rain: 67% | wind:

Location & Local Information

Lake George, located in central New Brunswick west of Fredericton, is a medium-sized freshwater lake known for its calm waters and family-friendly atmosphere. Because of its moderate depth and sheltered position, the lake warms up faster than many other lakes in the province. In early spring, following ice melt in April, the water remains cold, averaging around 39–45°F (4–7°C). By late May and June, surface temperatures rise steadily to about 55–63°F (13–17°C). During midsummer, from July through August, the lake reaches its warmest period, with temperatures typically between 68–75°F (20–24°C) in shallow areas. By late September, cooler nights bring the water back down below 59°F (15°C) as autumn begins.

Swimming in Lake George is allowed and very popular during the summer months. The lake’s gentle slopes, sandy beaches, and warm surface temperatures make it ideal for families, campers, and recreational swimmers. The clear, clean water provides pleasant conditions for swimming, paddling, and boating, while local cottages and campgrounds add to its relaxed appeal. Although the water can feel chilly in early summer, it becomes comfortably warm by July, offering excellent swimming conditions through early September before gradually cooling again toward fall.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake George?
Water Temperature in Lake George today is 11.3°C.
What is the water temperature in Lake George during the summer months?
The water temperature in Lake George in summer fluctuates in the range of 9°C - 28°C.
Is it possible to swim in Lake George and what are the possibilities for this?
Yes, it's possible to swim in Lake George, New Brunswick, depending on weather or seasonal conditions. There are public access points and it's also suitable for recreational activities like canoeing and fishing.