Measurements:
°C
°F
South Lake Tahoe
78°F
E 4 mph
Feels like: 78°F
Precip: 0%
World Resorts USA South Lake Tahoe Weather

South Lake Tahoe Sea Water Temperature

Current Sea Water Temperature:
+69.6°F
Maximum Sea Water Temperature in July: 75.6°F
Minimum Sea Water Temperature in July: 59.8°F
Average water temperature in July: 69.4°F

Sea Water Temperature for the Last 10 Days:

July 15 69.6°F July 10 68.2°F
July 14 68.6°F July 09 67.0°F
July 13 68.8°F July 08 67.8°F
July 12 68.8°F July 07 66.0°F
July 11 68.6°F July 06 65.8°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 66.7°F. The maximum and minimum values were 63.0°F and 69.6°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
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 +88
Hawaii +80
Houston +90
Las Vegas +120
Los Angeles +106
Maui +76
Miami +100
Myrtle Beach +96
New York +114
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
South Lake Tahoe
Local time: 11:18
15 jul, wednesday
1200 78°F
E
4 mph
1500 80°F
E
15 mph
1800 76°F
E
14 mph
2100 56°F
E
5 mph
16 jul, thursday
0000 56°F
NE
4 mph
0300 54°F
NE
4 mph
0600 52°F
NE
5 mph
0900 70°F
NE
4 mph