Malheur Lake water temp
This data the coastal Malheur 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 Malheur Lake
Water temperature in Malheur Lake today is 61.9°F. Based on our historical data over a period of ten years, the warmest water in this day in Malheur Lake was recorded in 2024 and was 59.4°F, and the coldest was recorded in 2023 at 55.6°F. Water temperature in Malheur Lake is expected to drop to 54.7°F in the next 10 days. September average water temperature in Malheur Lake is 60.8°F, the minimum temperature is 50.7°F, and the maximum is 67.8°F.
Throughout the year, the water temperature in Malheur Lake does not rise above 68°F and therefore is not suitable for comfortable swimming. But on some days of May, June, July, August, September, the water temperature warms up to 68°F and above. The average water temperature in Malheur Lake in winter reaches 37.2°F, in spring 50.9°F, in summer the average temperature rises to 65.5°F, and in autumn it is 51.3°F.
Malheur Lake water temperature now
| September 26, 2025 |
|---|
| today temp |
| 61.9°F |
| September 25, 2025 |
|---|
| yesterday temp |
| 62.1°F |
Current temperature and weather
Data in a table show Malheur Lake temperature today (September 26, 2025). For more information and forecast for a few days, go to the weather forecast Malheur Lake.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | | |  |
| 62.4°F | 58.5°F | 55.4°F | 55.2°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 60.8°F | 65.5°F | 61.7°F | 57.6°F |
You may also be interested in other sections of our site for Malheur Lake: Sunrise and Sunset, Tides
Malheur Lake water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Malheur 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 Malheur 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 | 35.2°F | 32°F | 39.7°F | cold |
| Water temperature in Malheur Lake in January | ||||
| February | 41.2°F | 37.9°F | 44.4°F | cold |
| Water temperature in Malheur Lake in February | ||||
| March | 45.1°F | 41.5°F | 48.6°F | cold |
| Water temperature in Malheur Lake in March | ||||
| April | 50.4°F | 44.6°F | 55.8°F | cold |
| Water temperature in Malheur Lake in April | ||||
| May | 57°F | 46°F | 68.5°F | cold |
| Water temperature in Malheur Lake in May | ||||
| June | 62.8°F | 58.3°F | 71.8°F | cold |
| Water temperature in Malheur Lake in June | ||||
| July | 67.3°F | 62.2°F | 75.7°F | cold |
| Water temperature in Malheur Lake in July | ||||
| August | 66.4°F | 62.2°F | 73.4°F | cold |
| Water temperature in Malheur Lake in August | ||||
| September | 60.8°F | 50.7°F | 67.8°F | cold |
| Water temperature in Malheur Lake in September | ||||
| October | 50.7°F | 44.6°F | 59.5°F | cold |
| Water temperature in Malheur Lake in October | ||||
| November | 42.1°F | 38.1°F | 46.2°F | cold |
| Water temperature in Malheur Lake in November | ||||
| December | 35.2°F | 32.4°F | 39.6°F | cold |
| Water temperature in Malheur Lake in December | ||||
Chart monthly average water temperature in Malheur Lake
