Measurements:
°C
°F
CURRENT WEATHER
11:19
San Jose
82°F
E 2 mph
Feels like: 84°F
Precip: 3%
World Resorts USA San Jose Weather

7 Day Weather Forecast

08.05
wed
DAY
82°F
E 2 mph
precip
3%
NIGHT
60°F
NE 1 mph
precip
5%
08.06
thu
DAY
100°F
E 3 mph
precip
1%
NIGHT
64°F
SE 1 mph
precip
3%
08.07
fri
DAY
100°F
SE 4 mph
precip
1%
NIGHT
68°F
SE 1 mph
precip
1%
08.08
sat
DAY
104°F
SE 4 mph
precip
0%
NIGHT
72°F
NE 1 mph
precip
1%
08.09
sun
DAY
104°F
SE 4 mph
precip
0%
NIGHT
64°F
E 1 mph
precip
3%
08.10
mon
DAY
98°F
NE 3 mph
precip
1%
NIGHT
60°F
N 3 mph
precip
6%
08.11
tue
DAY
96°F
NE 4 mph
precip
0%
NIGHT
58°F
N 4 mph
precip
11%

San Jose Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for San Jose was 19.5°F. The maximum and minimum values were 16.8°F and 21.3°F respectively.

San Jose on the Weather Map

Best Time to Visit San Jose
The most sunny months:
July 29 days
August 29 days
June 25 days
The most warm months:
August 89.6 °F
July 89.5 °F
September 84.5 °F
Warmest sea temperature:
September 64.9 °F
July 64.6 °F
August 64.4 °F
The most cold months:
December 57.5 °F
January 58.9 °F
February 60.6 °F
The most rainy months:
February 3 days
January 3 days
March 3 days
The most windy months:
May 6 mph
April 6 mph
June 6 mph
more details