Water temperature in Orillia

This data the coastal Orillia 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 Orillia

Water temperature in Orillia today is 20.7°C. Based on our historical data over a period of ten years, the warmest water in this day in Orillia was recorded in 2018 and was 23.3°C, and the coldest was recorded in 2017 at 19°C. Water temperature in Orillia is expected to drop to 20°C in the next 10 days. September average water temperature in Orillia is 20.1°C, the minimum temperature is 16.4°C, and the maximum is 23.7°C.

The swimming season in Orillia lasts from July to September. During those months, Orillia water temperature does not drop below 20°C and therefore suitable for comfortable swimming. The average water temperature in Orillia in winter reaches 1.5°C, in spring 4.4°C, in summer the average temperature rises to 20.9°C, and in autumn it is 14.7°C.

Orillia water temperature now

Surf Forecast in Orillia 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 Orillia. 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 Orillia. Data in table shown for 5 September 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)

Surf report in Orillia

Orillia weather forecast

Current temperature and weather

Data in a table show Orillia temperature today (5 September 2025). For more information and forecast for a few days, go to the weather forecast Orillia.

0-3 h	3-6 h	6-9 h	9-12 h
11.2°C	10.2°C	12.4°C	15°C

12-15 h	15-18 h	18-21 h	21-24 h
18.1°C	20.3°C	19.4°C	15.2°C

Orillia water temperature by month

These figures shows the average, minimum and maximum monthly water temperature in Orillia. 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 Orillia 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 Orillia

The nearest beaches and cities from Orillia 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
Mara Beach	20.6°C	21°C		0.57 m
Georgina	20.6°C	21°C		0.57 m
Jacksons Point	20.6°C	21°C		0.57 m
Sibbald Point	20.6°C	21°C		0.57 m
Cook's Bay	20.6°C	21°C		0.23 m
Kempenfelt Bay	20.4°C	21°C		0.23 m
Centennial Beach	20.4°C	21°C		0.23 m
Innisfil Beach	20.5°C	22°C		0.23 m
Honey Harbour	20.3°C	19°C		0.54 m
Midland	20.1°C	19°C		0.54 m

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Our report for Orillia 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.