Crystal Lake water temp
This data the coastal Crystal Lake 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 Crystal Lake
Water temperature in Crystal Lake today is 68°F. Based on our historical data over a period of ten years, the warmest water in this day in Crystal Lake was recorded in 2019 and was 69.8°F, and the coldest was recorded in 2022 at 59°F. Water temperature in Crystal Lake is expected to drop to 59.5°F in the next 10 days. September average water temperature in Crystal Lake is 66.7°F, the minimum temperature is 53.6°F, and the maximum is 77°F.
The swimming season in Crystal Lake lasts from June to September. During those months, Crystal Lake water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Crystal Lake in winter reaches 37.4°F, in spring 47.5°F, in summer the average temperature rises to 71.1°F, and in autumn it is 54.7°F.
Crystal Lake water temperature now
| September 26, 2025 |
|---|
| today temp |
| 68°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 66.2°F |
Current temperature and weather
Data in a table show Crystal Lake temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Crystal Lake.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 58.3°F | 56.7°F | 55.8°F | 67.3°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  |  | |
| 83.5°F | 80.1°F | 71.4°F | 64.8°F |
You may also be interested in other sections of our site for Crystal Lake: Sunrise and Sunset
Crystal Lake water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Crystal Lake. 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 Crystal Lake 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 | 37.2°F | 33.8°F | 39.2°F | cold |
| Water temperature in Crystal Lake in January | ||||
| February | 37°F | 33.8°F | 39.2°F | cold |
| Water temperature in Crystal Lake in February | ||||
| March | 39.7°F | 33.8°F | 50°F | cold |
| Water temperature in Crystal Lake in March | ||||
| April | 45.9°F | 37.4°F | 59°F | cold |
| Water temperature in Crystal Lake in April | ||||
| May | 57°F | 41°F | 69.8°F | cold |
| Water temperature in Crystal Lake in May | ||||
| June | 68.7°F | 59°F | 80.6°F | warm |
| Water temperature in Crystal Lake in June | ||||
| July | 72.7°F | 68°F | 78.8°F | warm |
| Water temperature in Crystal Lake in July | ||||
| August | 72°F | 66.2°F | 78.8°F | warm |
| Water temperature in Crystal Lake in August | ||||
| September | 66.7°F | 53.6°F | 77°F | cold |
| Water temperature in Crystal Lake in September | ||||
| October | 54.3°F | 39.2°F | 68°F | cold |
| Water temperature in Crystal Lake in October | ||||
| November | 42.8°F | 37.4°F | 57.2°F | cold |
| Water temperature in Crystal Lake in November | ||||
| December | 37.8°F | 33.8°F | 42.8°F | cold |
| Water temperature in Crystal Lake in December | ||||
Chart monthly average water temperature in Crystal Lake
