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Belwood Lake — Current Water Temperature, Annual Trends and Forecast

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

Lake Simcoe, Canada
Lake Simcoe, Canada © By Fool4myCanon, CC BY 2.0

Current Water Temperature

18.8°C
Today
19.6°C
Yesterday
20.4°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 Belwood Lake today is 18.8°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming. 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 August 21 to September 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 1420.2°C21.5°C
SEP 1520.0°C21.5°C
SEP 1620.0°C21.5°C
SEP 1719.0°C21.5°C
SEP 1819.5°C21.5°C
SEP 1919.6°C21.5°C
SEP 2019.0°C21.5°C
SEP 2221.5°C18.9°C
SEP 2321.5°C19.1°C
SEP 2421.5°C19.2°C
SEP 2521.5°C19.3°C
SEP 2621.5°C19.5°C
SEP 2721.5°C19.6°C
SEP 2821.5°C19.7°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
February0°C4°C7°C
March0°C3°C6°C
April1°C8°C14°C
May6°C14°C22°C
June11°C18°C24°C
July18°C23°C27°C
August19°C24°C29°C
September18°C22°C25°C
October13°C16°C19°C
November2°C9°C16°C
December0°C5°C8°C

Belwood Lake: Water Temperature by Location

Belwood Lake: Weather Forecast

September 22

° / °
overcast
rain: 4% | wind:

September 23

° / °
overcast
rain: 8% | wind:

September 24

° / °
partly cloudy
rain: 21% | wind:

September 25

° / °
partly cloudy
rain: 6% | wind:

September 26

° / °
clear sky
rain: 2% | wind:

Location & Local Information

Belwood Lake in New York experiences the seasonal temperature patterns common to small inland lakes in the region. Surface water in spring typically ranges from about 35–60°F (2–16°C) as the lake thermally stratifies and warms. By early to mid-summer, surface temperatures commonly reach 70–80°F (21–27°C) in shallower, sunnier spots, sometimes briefly warmer on heat waves. Late summer and early fall often show cooling to roughly 60–70°F (16–21°C) as air temperatures decline. In winter the lake will approach freezing at the surface (around 32°F / 0°C) and water beneath any ice cover generally remains near 32–39°F (0–4°C).

Swimming opportunities at Belwood Lake depend on access, management, and seasonal conditions. During summer months, when surface temperatures are in the comfortable 70s°F (low to mid‑20s°C), swimming is commonly permitted at designated public beaches or launch areas because conditions are suitable and local authorities can monitor safety and water quality. Restrictions may apply if the lake is privately owned, if authorities post water‑quality advisories for bacteria or algal blooms, or when hazardous conditions exist. In winter swimming is unsafe due to ice and near‑freezing water temperatures. Always check local signage or contact park managers for current swim rules and advisories before entering the water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Belwood Lake?
Water Temperature in Belwood Lake today is 18.8°C.
What is the water temperature in Belwood Lake during the summer months?
The water temperature in Belwood Lake in summer fluctuates in the range of 11°C - 29°C.
Is it possible to swim in Belwood Lake and what are the possibilities for this?
Belwood Lake, located in Ontario, not New York, allows swimming during designated seasons. There's a maintained sandy beach area perfect for swimming during warmer months.