Donner Lake water temp
This data the coastal Donner 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 Donner Lake
Water temperature in Donner Lake today is 64.8°F. Based on our historical data over a period of ten years, the warmest water in this day in Donner Lake was recorded in 2022 and was 65.1°F, and the coldest was recorded in 2013 at 59.9°F. Water temperature in Donner Lake is expected to drop to 60.8°F in the next 10 days. September average water temperature in Donner Lake is 65.1°F, the minimum temperature is 59°F, and the maximum is 71.4°F.
The swimming season in Donner Lake lasts from July to August. During those months, Donner Lake water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Donner Lake in winter reaches 43.7°F, in spring 45.9°F, in summer the average temperature rises to 63.9°F, and in autumn it is 58.6°F.
Donner Lake water temperature now
| September 26, 2025 |
|---|
| today temp |
| 64.8°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 65.3°F |
Surf Forecast in Donner Lake 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 Donner Lake. 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 Donner Lake. Data in table shown for September 27, 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' 4" | 0' 3" | 0' 2" | 0' 1" |
| 0.11 m | 0.08 m | 0.04 m | 0.02 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 0' 0" | 0' 0" | 0' 0" | 0' 1" |
| 0.01 m | 0.01 m | 0.01 m | 0.02 m |
Surf report in Donner Lake
Donner Lake weather forecast
Current temperature and weather
Data in a table show Donner Lake temperature today (September 27, 2025). For more information and forecast for a few days, go to the weather forecast Donner Lake.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 57.7°F | 55.4°F | 53.4°F | 56.1°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 69.1°F | 74.8°F | 72.3°F | 63.1°F |
You may also be interested in other sections of our site for Donner Lake: Sunrise and Sunset, Tides
Donner Lake water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Donner 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 Donner 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 | 43°F | 40.1°F | 45.7°F | cold |
| Water temperature in Donner Lake in January | ||||
| February | 41.9°F | 39.4°F | 44.4°F | cold |
| Water temperature in Donner Lake in February | ||||
| March | 42.3°F | 39.6°F | 46.8°F | cold |
| Water temperature in Donner Lake in March | ||||
| April | 44.6°F | 40.8°F | 51.8°F | cold |
| Water temperature in Donner Lake in April | ||||
| May | 50.5°F | 43.7°F | 58.6°F | cold |
| Water temperature in Donner Lake in May | ||||
| June | 57.7°F | 50.7°F | 67.8°F | cold |
| Water temperature in Donner Lake in June | ||||
| July | 65.8°F | 58.8°F | 73.6°F | cold |
| Water temperature in Donner Lake in July | ||||
| August | 68°F | 63.7°F | 72°F | warm |
| Water temperature in Donner Lake in August | ||||
| September | 65.1°F | 59°F | 71.4°F | cold |
| Water temperature in Donner Lake in September | ||||
| October | 58.8°F | 53.2°F | 65.1°F | cold |
| Water temperature in Donner Lake in October | ||||
| November | 52.2°F | 46.9°F | 58.1°F | cold |
| Water temperature in Donner Lake in November | ||||
| December | 46.4°F | 42.3°F | 52°F | cold |
| Water temperature in Donner Lake in December | ||||
Chart monthly average water temperature in Donner Lake
