Measurements:
°C
°F
South Lake Tahoe
44°F
SW 2 mph
Feels like: 44°F
Precip: 0%
World Resorts USA South Lake Tahoe Weather

South Lake Tahoe Sea Water Temperature

Current Sea Water Temperature:
+46.4°F
Maximum Sea Water Temperature in April: 52.0°F
Minimum Sea Water Temperature in April: 41.0°F
Average water temperature in April: 45.1°F

Sea Water Temperature for the Last 10 Days:

April 23 46.4°F April 18 46.4°F
April 22 47.0°F April 17 47.2°F
April 21 47.4°F April 16 47.8°F
April 20 47.8°F April 15 47.0°F
April 19 46.2°F April 14 47.2°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
December 38.9 °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 +64
Hawaii +78
Honolulu +78
Houston +82
Las Vegas +80
Los Angeles +82
Maui +74
Miami +82
Miami Beach +80
New York +80
San Diego +76
San Francisco +68
Sarasota +88
Tampa +92
Washington +90
24 Hours Weather Forecast
South Lake Tahoe
Local time: 11:20
23 apr, thursday
1200 44°F
SW
2 mph
1500 48°F
S
2 mph
1800 46°F
SE
1 mph
2100 32°F
E
2 mph
24 apr, friday
0000 30°F
N
2 mph
0300 30°F
NE
2 mph
0600 30°F
NE
3 mph
0900 44°F
E
2 mph