Measurements:
°C
°F
Yosemite
64°F
E 5 mph
Feels like: 64°F
Precip: 1%
World Resorts USA Yosemite Weather

Yosemite Sea Water Temperature

Current Sea Water Temperature:
+63.6°F
Maximum Sea Water Temperature in October: 65.8°F
Minimum Sea Water Temperature in October: 30.0°F
Average water temperature in October: 56.3°F

Sea Water Temperature for the Last 10 Days:

October 05 63.6°F September 30 63.0°F
October 04 64.0°F September 29 62.2°F
October 03 64.6°F September 28 63.0°F
October 02 65.2°F September 27 63.2°F
October 01 62.6°F September 26 63.4°F

When is the Warmest Sea for Yosemite?

According to our data for the last three years for Yosemite 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Yosemite was 75.5°F. The maximum and minimum values were 72.6°F and 78.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Yosemite was 73.9°F. The maximum and minimum values were 69.2°F and 77.2°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Yosemite was 66.1°F. The maximum and minimum values were 62.2°F and 71.4°F respectively.

Best Time to Visit Yosemite
The most sunny months:
August 27 days
July 27 days
June 25 days
The most warm months:
July 75.8 °F
August 75.5 °F
September 67.5 °F
Warmest sea temperature:
August 69.7 °F
July 69.1 °F
September 65.4 °F
The most cold months:
February 34.4 °F
December 35.3 °F
January 35.5 °F
The most rainy months:
May 2 days
July 2 days
April 2 days
The most windy months:
June 7 mph
August 7 mph
July 6 mph

Yosemite on the Weather Map

USA Resorts:
NAME
F°
Boston +58
Chicago +62
Hawaii +82
Houston +86
Las Vegas +92
Los Angeles +100
Maui +74
Miami +88
Myrtle Beach +70
New York +62
San Diego +84
San Francisco +66
Santa Monica +94
Sarasota +84
Washington +64
24 Hours Weather Forecast
Yosemite
Local time: 16:50
05 oct, monday
1800 64°F
E
5 mph
2100 48°F
W
7 mph
06 oct, tuesday
0000 48°F
W
7 mph
0300 48°F
W
6 mph
0600 46°F
W
6 mph
0900 66°F
SW
2 mph
1200 74°F
E
4 mph
1500 74°F
E
11 mph