What is the current water temperature in Mississauga?

Q: What is the current water temperature in Mississauga?

As of now, in Mississauga, the water temperature is 18.24°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

Canada > Mississauga

Water temperature in Mississauga

Detailed information about the current water temperature in Mississauga. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

64.8

°F

September 17, 18:07

Trend:

increasing

Yesterday:

64.3°F

Tomorrow:

65.1°F

Sunrise:

07:00

Sunset:

19:26

Day Length:

12 h. 26 min.

Mississauga in September

Minimum:

36.6°F

Average:

38.4°F

Maximum:

39.6°F

Water temperature in Mississauga today

As of now, in Mississauga, the water temperature is 64.8°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 2.3°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent water temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 72.4°F on 2018, while the historical minimum was 64.0°F on 2019.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 65.0°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Mississauga

Date	Current Year actual* / forecast**	last year	10 years average
Sep 3	69.6°F	70.6°F	69.5°F
Sep 4	69.9°F	69.5°F	69.2°F
Sep 5	69.5°F	68.8°F	69.0°F
Sep 6	68.0°F	70.1°F	69.1°F
Sep 7	68.1°F	69.9°F	69.3°F
Sep 8	68.1°F	68.5°F	69.1°F
Sep 9	66.2°F	68.3°F	68.5°F
Sep 10	61.3°F	67.1°F	67.7°F
Sep 11	59.4°F	66.1°F	67.4°F
Sep 12	60.0°F	66.7°F	67.4°F
Sep 13	61.3°F	67.2°F	67.1°F
Sep 14	61.9°F	66.6°F	67.0°F
Sep 15	62.7°F	66.1°F	67.0°F
Sep 16	64.3°F	67.0°F	67.1°F
Sep 17	64.8°F	65.8°F	67.1°F
Sep 18	65.1°F	67.8°F	67.4°F
Sep 19	65.2°F	66.7°F	67.6°F
Sep 20	65.1°F	67.9°F	67.4°F
Sep 21	64.9°F	68.4°F	67.2°F
Sep 22	65.0°F	69.0°F	67.3°F
Sep 23	64.9°F	69.0°F	67.2°F
Sep 24	64.8°F	68.5°F	67.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Water temperature in Mississauga by month

In an average year, Mississauga offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Mississauga was recorded on August 13, 2025, reaching a 76.9°F. While the coldest temperature occurred on February 20, 2015, dipping to 32.0°F. The average readings by season are 38.3°F in Winter, 40.4°F in Spring, 64.8°F in Summer, and 57.7°F in Autumn.