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 3.0°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

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.

37.4

°F

January 9, 09:59

Trend:

stable

Yesterday:

37.3°F

Tomorrow:

37.3°F

Sunrise:

07:51

Sunset:

17:01

Day Length:

9 h. 10 min.

Mississauga in January

Minimum:

37.9°F

Average:

39.1°F

Maximum:

41.1°F

Water temperature in Mississauga today

As of now, in Mississauga, the water temperature is 37.4°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.2°F lower than the average recorded on this particular day in recent years. The water temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to fall 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 39.6°F on 2017, while the historical minimum was 37.3°F on 2018.

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 37.1°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
Jan 1	38.4°F	39.4°F	39.1°F
Jan 2	37.9°F	39.3°F	39.0°F
Jan 3	37.6°F	39.3°F	39.0°F
Jan 4	37.9°F	39.5°F	38.9°F
Jan 5	37.5°F	38.8°F	38.7°F
Jan 6	37.6°F	38.7°F	38.7°F
Jan 7	37.3°F	38.6°F	38.5°F
Jan 8	37.3°F	39.8°F	38.7°F
Jan 9	37.4°F	38.5°F	38.6°F
Jan 10	37.3°F	38.0°F	38.4°F
Jan 11	37.2°F	37.1°F	38.4°F
Jan 12	37.2°F	37.3°F	38.4°F
Jan 13	37.2°F	37.7°F	38.4°F
Jan 14	37.1°F	37.8°F	38.3°F
Jan 15	37.1°F	38.0°F	38.2°F
Jan 16	36.9°F	37.4°F	38.0°F
Dec 26	39.4°F	40.0°F	39.3°F
Dec 27	39.0°F	39.6°F	39.0°F
Dec 28	38.6°F	39.8°F	39.1°F
Dec 29	39.0°F	40.5°F	39.3°F
Dec 30	39.1°F	39.3°F	39.0°F
Dec 31	39.1°F	39.6°F	38.9°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 March 16, 2025, dipping to 34.1°F. The average readings by season are 38.4°F in Winter, 40.7°F in Spring, 65.1°F in Summer, and 58.0°F in Autumn.