Sackets Harbor water temp
This data the coastal Sackets Harbor 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 Sackets Harbor
Water temperature in Sackets Harbor today is 65.3°F. Based on our historical data over a period of ten years, the warmest water in this day in the Lake Ontario near Sackets Harbor was recorded in 2017 and was 71.6°F, and the coldest was recorded in 2014 at 64.2°F. Water temperature in Sackets Harbor is expected to drop to 63.9°F in the next 10 days. September average water temperature in Sackets Harbor is 69.6°F, the minimum temperature is 64.2°F, and the maximum is 75.9°F.
The swimming season in Sackets Harbor lasts from July to September. During those months, Sackets Harbor water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Sackets Harbor in winter reaches 37.4°F, in spring 41°F, in summer the average temperature rises to 69.6°F, and in autumn it is 60.1°F.
Sackets Harbor water temperature now
| September 26, 2025 |
|---|
| today temp |
| 65.3°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 65.7°F |
Surf Forecast in Sackets Harbor 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 Sackets Harbor. 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 Sackets Harbor. Data in table shown for September 26, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
| 0' 5" | 0' 4" | 0' 6" | 0' 10" |
| 0.12 m | 0.11 m | 0.15 m | 0.25 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 1' 1" | 1' 2" | 1' 5" | 1' 5" |
| 0.33 m | 0.36 m | 0.42 m | 0.44 m |
Surf report in Sackets Harbor
Sackets Harbor weather forecast
Current temperature and weather
Data in a table show Sackets Harbor temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Sackets Harbor.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  | |
| 63.5°F | 64.8°F | 63.9°F | 63.9°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  | | |
| 64.9°F | 65.5°F | 64.2°F | 64°F |
You may also be interested in other sections of our site for Sackets Harbor: Sunrise and Sunset, Tides
Sackets Harbor water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Sackets Harbor. 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 Sackets Harbor 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
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 36.1°F | 31.5°F | 42.3°F | cold |
| Water temperature in Sackets Harbor in January | ||||
| February | 33.6°F | 30°F | 36.7°F | cold |
| Water temperature in Sackets Harbor in February | ||||
| March | 34.2°F | 30.4°F | 39.7°F | cold |
| Water temperature in Sackets Harbor in March | ||||
| April | 39.2°F | 30.6°F | 46.8°F | cold |
| Water temperature in Sackets Harbor in April | ||||
| May | 49.8°F | 40.1°F | 64.4°F | cold |
| Water temperature in Sackets Harbor in May | ||||
| June | 62.2°F | 50.7°F | 72.3°F | cold |
| Water temperature in Sackets Harbor in June | ||||
| July | 72.7°F | 62.4°F | 77.9°F | warm |
| Water temperature in Sackets Harbor in July | ||||
| August | 74.1°F | 68.9°F | 78.1°F | warm |
| Water temperature in Sackets Harbor in August | ||||
| September | 69.6°F | 64.2°F | 75.9°F | warm |
| Water temperature in Sackets Harbor in September | ||||
| October | 60.3°F | 52.2°F | 68°F | cold |
| Water temperature in Sackets Harbor in October | ||||
| November | 50.5°F | 43.7°F | 57°F | cold |
| Water temperature in Sackets Harbor in November | ||||
| December | 42.3°F | 35.2°F | 49.1°F | cold |
| Water temperature in Sackets Harbor in December | ||||
Chart monthly average water temperature in Sackets Harbor
