Measurements:
°C
°F
South Lake Tahoe
66°F
E 7 mph
Feels like: 66°F
Precip: 0%
World Resorts USA South Lake Tahoe Weather

South Lake Tahoe Sea Water Temperature

Current Sea Water Temperature:
+43.8°F
Maximum Sea Water Temperature in March: 46.4°F
Minimum Sea Water Temperature in March: 40.2°F
Average water temperature in March: 41.8°F

Sea Water Temperature for the Last 10 Days:

March 13 43.8°F March 08 42.8°F
March 12 42.6°F March 07 42.6°F
March 11 42.0°F March 06 43.4°F
March 10 43.2°F March 05 44.0°F
March 09 42.6°F March 04 42.8°F

When is the Warmest Sea for South Lake Tahoe?

According to our data for the last three years for South Lake Tahoe the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for South Lake Tahoe was 70.2°F. The maximum and minimum values were 68.4°F and 73.0°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for South Lake Tahoe was 68.4°F. The maximum and minimum values were 64.8°F and 71.6°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for South Lake Tahoe was 67.7°F. The maximum and minimum values were 65.8°F and 70.2°F respectively.

Best Time to Visit South Lake Tahoe
The most sunny months:
July 27 days
September 25 days
August 25 days
The most warm months:
July 80.7 °F
August 78.5 °F
September 71.9 °F
Warmest sea temperature:
August 70.5 °F
July 69.6 °F
September 67.3 °F
The most cold months:
January 36.1 °F
February 37.3 °F
March 37.9 °F
The most rainy months:
December 2 days
October 1 day
March 1 day
The most windy months:
March 7 mph
June 7 mph
February 6 mph

South Lake Tahoe on the Weather Map

USA Resorts:
NAME
Chicago +44
Hawaii +76
Honolulu +76
Houston +78
Las Vegas +96
Los Angeles +100
Maui +70
Miami +80
Miami Beach +82
New York +42
San Diego +94
San Francisco +74
Sarasota +76
Tampa +82
Washington +60
24 Hours Weather Forecast
South Lake Tahoe
Local time: 15:22
13 mar, friday
1800 60°F
NE
6 mph
2100 46°F
NE
7 mph
14 mar, saturday
0000 42°F
NE
7 mph
0300 38°F
NE
7 mph
0600 36°F
NE
7 mph
0900 46°F
NE
7 mph
1200 58°F
E
10 mph
1500 60°F
E
12 mph