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North Twin Lake — Current Water Temperature, Annual Trends and Forecast

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

23.9°C
Today
24.2°C
Yesterday
23.0°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 North Twin Lake today is 23.9°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 1423.0°C21.1°C
JUL 1525.0°C21.1°C
JUL 1624.9°C21.1°C
JUL 1724.9°C21.1°C
JUL 1824.8°C21.1°C
JUL 1924.3°C21.1°C
JUL 2024.2°C21.1°C
JUL 2124.4°C21.1°C
JUL 2221.1°C23.8°C
JUL 2321.1°C23.6°C
JUL 2421.1°C23.5°C
JUL 2521.1°C23.3°C
JUL 2621.1°C23.2°C
JUL 2721.1°C23.1°C
JUL 2821.1°C22.9°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
January1°C4°C6°C
February1°C3°C6°C
March0°C2°C5°C
April0°C2°C5°C
May3°C7°C11°C
June10°C14°C17°C
July17°C21°C26°C
August20°C22°C25°C
September18°C20°C22°C
October10°C14°C18°C
November2°C7°C11°C
December0°C3°C5°C

North Twin Lake: Water Temperature by Location

North Twin Lake: Weather Forecast

July 22

° / °
slight thunderstorm
rain: 89% | wind:

July 23

° / °
moderate rain showers
rain: 84% | wind:

July 24

° / °
overcast
rain: 4% | wind:

July 25

° / °
overcast
rain: 22% | wind:

Location & Local Information

North Twin Lake in Maine typically follows the seasonal temperature patterns of northern New England lakes. In spring the surface water commonly ranges from about 40–60°F (4–15°C) as the lake stratifies after ice-out. By mid- to late summer surface temperatures often warm to roughly 65–75°F (18–24°C), and on unusually hot days parts of the surface can reach the upper 70s°F (around 25–26°C). Deeper water remains noticeably cooler year-round, and by fall surface temperatures drop back through the 50s to near freezing; winter ice cover brings water near 32°F (0°C) immediately under the ice with slightly warmer, but still cold, conditions at depth.

Swimming at North Twin Lake is commonly practiced and permitted at public access points and private shorelines, but it is subject to local rules and safety advisories. In summer the temperatures are comfortable for many swimmers, though cold-water shock is possible if venturing into deeper or shaded areas. During late fall and spring the cool water limits comfortable swimming, and in winter ice cover makes swimming dangerous. Recreational closures can occur for water-quality reasons such as algal blooms or for public-safety notifications, so checking current local advisories and exercising caution around ice and boat traffic is recommended.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in North Twin Lake?
Water Temperature in North Twin Lake today is 23.9°C.
What is the water temperature in North Twin Lake during the summer months?
The water temperature in North Twin Lake in summer fluctuates in the range of 10°C - 26°C.
Is it possible to swim in North Twin Lake and what are the possibilities for this?
Yes, it's possible to swim in North Twin Lake, Maine. However, access to the lake is primarily through private property, so permission or access rights might be needed.