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Wyman Lake — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Wyman 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

25.8°C
Today
25.9°C
Yesterday
24.5°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 Wyman 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

From June 20 to July 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1424.5°C23.0°C
JUL 1526.5°C23.0°C
JUL 1626.4°C23.0°C
JUL 1726.4°C23.0°C
JUL 1826.5°C23.0°C
JUL 1926.0°C23.0°C
JUL 2025.9°C23.0°C
JUL 2125.9°C23.0°C
JUL 2223.0°C25.7°C
JUL 2323.0°C25.5°C
JUL 2423.0°C25.4°C
JUL 2523.0°C25.2°C
JUL 2623.0°C25.1°C
JUL 2723.0°C25.0°C
JUL 2823.0°C24.8°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
January2°C7°C11°C
February2°C5°C8°C
March0°C3°C5°C
April1°C4°C6°C
May4°C8°C12°C
June9°C13°C18°C
July17°C23°C29°C
August19°C22°C25°C
September20°C24°C27°C
October13°C17°C20°C
November5°C11°C16°C
December3°C8°C11°C

Wyman Lake: Water Temperature by Location

Wyman Lake: Weather Forecast

July 22

° / °
slight thunderstorm
rain: 87% | wind:

July 23

° / °
light drizzle
rain: 83% | wind:

July 24

° / °
overcast
rain: 3% | wind:

July 25

° / °
overcast
rain: 12% | wind:

July 26

° / °
overcast
rain: 19% | wind:

Location & Local Information

Wyman Lake in Maine follows the seasonal temperature patterns typical of small inland New England lakes. Surface temperatures in summer commonly range from about 68 to 75°F (20 to 24°C), and in late, warm summers can briefly reach the mid-70s to upper-70s°F (24–26°C). Spring and early summer waters are much cooler, often between 40 and 60°F (4 to 16°C) as the lake mixes and warms. By fall the surface usually cools again to roughly 45 to 60°F (7 to 16°C). Deeper water remains significantly colder year-round—often in the 40s°F (4–10°C) when the lake is stratified—so submersion beyond the thin warm surface layer can expose swimmers to cold temperatures quickly. In winter the lake approaches freezing, with ice cover possible when conditions permit.

Swimming at Wyman Lake is commonly done during the warm months, but whether it is advisable or allowed depends on location and local rules. Many shore areas are suitable for recreational swimming when water is warm, but some areas may be posted, privately owned, or unsafe because of steep drop-offs, cold deeper water, boat traffic, or fluctuations in levels and currents. There are generally no lifeguards, so swimmers should exercise caution, be aware of cold-water shock, and respect signage and property boundaries before entering the water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Wyman Lake?
Water Temperature in Wyman Lake today is 25.8°C.
What is the water temperature in Wyman Lake during the summer months?
The water temperature in Wyman Lake in summer fluctuates in the range of 9°C - 29°C.
Is it possible to swim in Wyman Lake and what are the possibilities for this?
Yes, it is generally possible to swim in Wyman Lake, Maine. However, the accessibility and permitted swimming areas might be subject to local regulations and weather conditions.