Measurements:
°C
°F
CURRENT WEATHER
12:21
San Jose
70°F
SE 5 mph
Feels like: 70°F
Precip: 0%
World Resorts USA San Jose Weather

7 Day Weather Forecast

04.23
thu
DAY
70°F
SE 5 mph
precip
0%
NIGHT
48°F
SE 2 mph
precip
0%
04.24
fri
DAY
68°F
NE 2 mph
precip
0%
NIGHT
48°F
E 2 mph
precip
0%
04.25
sat
DAY
62°F
NE 4 mph
precip
0%
NIGHT
48°F
NE 2 mph
precip
0%
04.26
sun
DAY
62°F
NE 3 mph
precip
71%
NIGHT
48°F
SE 2 mph
precip
0%
04.27
mon
DAY
68°F
SE 3 mph
precip
0%
NIGHT
46°F
NE 1 mph
precip
0%
04.28
tue
DAY
72°F
E 2 mph
precip
0%
NIGHT
52°F
N 3 mph
precip
100%
04.29
wed
DAY
70°F
E 2 mph
precip
100%
NIGHT
52°F
SE 2 mph
precip
100%

San Jose Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for San Jose was 16.7°F. The maximum and minimum values were 15.9°F and 17.9°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:
July 89.8 °F
August 89.6 °F
September 84.5 °F
Warmest sea temperature:
September 64.9 °F
August 64.4 °F
July 64.2 °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