Lake Almanor water temp
This data the coastal Lake Almanor 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 Lake Almanor
Water temperature in Lake Almanor today is 67.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Lake Almanor was recorded in 2014 and was 69.4°F, and the coldest was recorded in 2018 at 63.3°F. Water temperature in Lake Almanor is expected to drop to 63.7°F in the next 10 days. September average water temperature in Lake Almanor is 68.4°F, the minimum temperature is 61.9°F, and the maximum is 75°F.
The swimming season in Lake Almanor lasts from July to September. During those months, Lake Almanor water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Lake Almanor in winter reaches 43.2°F, in spring 51.4°F, in summer the average temperature rises to 69.8°F, and in autumn it is 60.4°F.
Lake Almanor water temperature now
| September 26, 2025 |
|---|
| today temp |
| 67.1°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 67.5°F |
Current temperature and weather
Data in a table show Lake Almanor temperature today (September 27, 2025). For more information and forecast for a few days, go to the weather forecast Lake Almanor.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 67.6°F | 65.1°F | 62.2°F | 65.7°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 72.9°F | 77.9°F | 75.9°F | 68.4°F |
You may also be interested in other sections of our site for Lake Almanor: Sunrise and Sunset, Tides
Lake Almanor water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Lake Almanor. 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 Lake Almanor 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 | 42.6°F | 40.5°F | 46°F | cold |
| Water temperature in Lake Almanor in January | ||||
| February | 40.3°F | 37°F | 43.9°F | cold |
| Water temperature in Lake Almanor in February | ||||
| March | 43.3°F | 38.3°F | 52.2°F | cold |
| Water temperature in Lake Almanor in March | ||||
| April | 52.3°F | 45.5°F | 58.6°F | cold |
| Water temperature in Lake Almanor in April | ||||
| May | 58.5°F | 52.3°F | 67.5°F | cold |
| Water temperature in Lake Almanor in May | ||||
| June | 64.9°F | 52°F | 74.7°F | cold |
| Water temperature in Lake Almanor in June | ||||
| July | 72°F | 64.8°F | 80.2°F | warm |
| Water temperature in Lake Almanor in July | ||||
| August | 72.5°F | 66.7°F | 77°F | warm |
| Water temperature in Lake Almanor in August | ||||
| September | 68.4°F | 61.9°F | 75°F | warm |
| Water temperature in Lake Almanor in September | ||||
| October | 60.4°F | 52°F | 68°F | cold |
| Water temperature in Lake Almanor in October | ||||
| November | 52.5°F | 47.3°F | 58.6°F | cold |
| Water temperature in Lake Almanor in November | ||||
| December | 46.6°F | 39.6°F | 53.8°F | cold |
| Water temperature in Lake Almanor in December | ||||
Chart monthly average water temperature in Lake Almanor
