Measurements:
°C
°F
CURRENT WEATHER
09:08
San Diego
66°F
N 3 mph
Feels like: 66°F
Precip: 0%
World Resorts USA San Diego Weather

7 Day Weather Forecast

04.23
thu
DAY
76°F
E 7 mph
precip
0%
NIGHT
64°F
E 3 mph
precip
0%
04.24
fri
DAY
68°F
NE 10 mph
precip
0%
NIGHT
64°F
E 6 mph
precip
0%
04.25
sat
DAY
66°F
E 10 mph
precip
69%
NIGHT
62°F
E 13 mph
precip
100%
04.26
sun
DAY
66°F
E 12 mph
precip
83%
NIGHT
62°F
E 11 mph
precip
100%
04.27
mon
DAY
66°F
E 11 mph
precip
0%
NIGHT
62°F
SE 5 mph
precip
0%
04.28
tue
DAY
70°F
SE 9 mph
precip
0%
NIGHT
64°F
SE 7 mph
precip
0%
04.29
wed
DAY
72°F
SE 11 mph
precip
0%
NIGHT
66°F
E 9 mph
precip
71%

San Diego Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for San Diego was 18.6°F. The maximum and minimum values were 17.8°F and 19.3°F respectively.

San Diego on the Weather Map

Best Time to Visit San Diego
The most sunny months:
July 21 days
June 20 days
August 20 days
The most warm months:
August 82.1 °F
September 81.0 °F
July 79.1 °F
Warmest sea temperature:
August 72.1 °F
September 71.1 °F
July 70.8 °F
The most cold months:
January 65.1 °F
December 65.2 °F
February 65.3 °F
The most rainy months:
March 2 days
February 2 days
January 2 days
The most windy months:
May 7 mph
April 7 mph
March 7 mph
more details