Water temperature in Lake Nipissing

This data the coastal Lake Nipissing water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.

Current water temperature in Lake Nipissing

Water temperature in Lake Nipissing today is 20.3°C. Based on our historical data over a period of ten years, the warmest water in this day in Lake Nipissing was recorded in 2015 and was 22.7°C, and the coldest was recorded in 2019 at 19.1°C. Water temperature in Lake Nipissing is expected to drop to 19.2°C in the next 10 days. September average water temperature in Lake Nipissing is 19.1°C, the minimum temperature is 15.4°C, and the maximum is 22.7°C.

The swimming season in Lake Nipissing lasts from July to September. During those months, Lake Nipissing water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Lake Nipissing in winter reaches 0.9°C, in spring 4.2°C, in summer the average temperature rises to 20.9°C, and in autumn it is 13°C.

Lake Nipissing water temperature now

Surf Forecast in Lake Nipissing for today

Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Lake Nipissing. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Lake Nipissing. Data in table shown for 6 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Lake Nipissing

Lake Nipissing weather forecast

Current temperature and weather

Data in a table show Lake Nipissing temperature today (6 September 2025). For more information and forecast for a few days, go to the weather forecast Lake Nipissing.

0-3 h	3-6 h	6-9 h	9-12 h
11.7°C	11.5°C	11.3°C	13.7°C

12-15 h	15-18 h	18-21 h	21-24 h
15.2°C	16.6°C	15.4°C	13.4°C

Lake Nipissing water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Lake Nipissing. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Lake Nipissing on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve

Chart monthly average water temperature in Lake Nipissing

The nearest beaches and cities from Lake Nipissing with the water temperature today, as well as the air temperature and the state of the weather during the day and the average wave height for today

	Water	Weather		Wave
North Bay	20.5°C	17°C		0.89 m
Killbear Provincial Park	19.3°C	18°C		0.89 m
Parry Sound	19.2°C	18°C		0.89 m
Killarney	17.3°C	15°C		0.99 m
Thunder Beach	19.7°C	19°C		0.61 m
Penetanguishene	20°C	19°C		0.54 m
Awenda Provincial Park	19.6°C	19°C		0.58 m
Honey Harbour	20.3°C	19°C		0.54 m
Midland	20.1°C	19°C		0.54 m
Port Severn	20.1°C	19°C		0.54 m

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Our report for Lake Nipissing is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.