Measurements:
°C
°F
South Lake Tahoe
82°F
E 6 mph
Feels like: 80°F
Precip: 0%
World Resorts USA South Lake Tahoe Weather

South Lake Tahoe Sea Water Temperature

Current Sea Water Temperature:
+72.4°F
Maximum Sea Water Temperature in August: 73.6°F
Minimum Sea Water Temperature in August: 65.8°F
Average water temperature in August: 70.6°F

Sea Water Temperature for the Last 10 Days:

August 05 72.4°F July 31 72.0°F
August 04 72.6°F July 30 71.4°F
August 03 72.0°F July 29 71.0°F
August 02 71.8°F July 28 71.0°F
August 01 72.6°F July 27 71.8°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: 2026 2025 2024

The average sea surface temperature in July 2026 for South Lake Tahoe was 68.9°F. The maximum and minimum values were 63.0°F and 72.2°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 80.1 °F
August 78.5 °F
September 71.9 °F
Warmest sea temperature:
August 70.5 °F
July 69.5 °F
September 67.3 °F
The most cold months:
January 36.1 °F
February 37.3 °F
December 38.9 °F
The most rainy months:
December 2 days
January 1 day
April 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
Boston +94
Chicago +82
Hawaii +82
Houston +106
Las Vegas +124
Los Angeles +92
Maui +78
Miami +92
Myrtle Beach +84
New York +84
San Diego +80
San Francisco +62
Santa Monica +80
Sarasota +92
Washington +88
24 Hours Weather Forecast
South Lake Tahoe
Local time: 12:18
05 aug, wednesday
1500 86°F
E
16 mph
1800 78°F
E
14 mph
2100 58°F
NE
5 mph
06 aug, thursday
0000 56°F
NE
5 mph
0300 56°F
NE
6 mph
0600 56°F
NE
5 mph
0900 74°F
NE
4 mph
1200 84°F
NE
11 mph