Measurements:
°C
°F
San Jose
92°F
S 5 mph
Feels like: 90°F
Precip: 0%
World Resorts USA San Jose Weather

7 Day Weather Forecast

10.05
mon
DAY
100°F
S 4 mph
precip
0%
NIGHT
72°F
NE 1 mph
precip
1%
10.06
tue
DAY
100°F
S 5 mph
precip
0%
NIGHT
74°F
SE 2 mph
precip
1%
10.07
wed
DAY
98°F
S 5 mph
precip
0%
NIGHT
70°F
NE 1 mph
precip
1%
10.08
thu
DAY
98°F
S 4 mph
precip
0%
NIGHT
68°F
S 0 mph
precip
1%
10.09
fri
DAY
94°F
S 4 mph
precip
0%
NIGHT
62°F
N 4 mph
precip
3%
10.10
sat
DAY
90°F
NE 1 mph
precip
1%
NIGHT
52°F
N 5 mph
precip
11%
10.11
sun
DAY
70°F
E 6 mph
precip
1%
NIGHT
46°F
N 4 mph
precip
12%

San Jose Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for San Jose was 18.3°F. The maximum and minimum values were 16.7°F and 20.5°F respectively.

San Jose on the Weather Map

Best Time to Visit San Jose
The most sunny months:
July 29 days
August 28 days
June 25 days
The most warm months:
July 89.5 °F
August 89.2 °F
September 84.4 °F
Warmest sea temperature:
September 65.2 °F
August 64.9 °F
July 64.6 °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