Measurements:
°C
°F
CURRENT WEATHER
18:57
San Diego
74°F
SE 11 mph
Feels like: 80°F
Precip: 4%
World Resorts USA San Diego Weather

7 Day Weather Forecast

10.26
mon
DAY
76°F
SE 11 mph
precip
3%
NIGHT
72°F
SE 6 mph
precip
5%
10.27
tue
DAY
74°F
E 7 mph
precip
5%
NIGHT
70°F
NE 5 mph
precip
20%
10.28
wed
DAY
72°F
NE 6 mph
precip
15%
NIGHT
68°F
E 4 mph
precip
17%
10.29
thu
DAY
70°F
NE 7 mph
precip
9%
NIGHT
68°F
NE 6 mph
precip
18%
10.30
fri
DAY
70°F
NE 9 mph
precip
12%
NIGHT
68°F
E 5 mph
precip
15%
10.31
sat
DAY
68°F
NE 4 mph
precip
32%
NIGHT
66°F
NW 1 mph
precip
40%
11.01
sun
DAY
68°F
SE 2 mph
precip
18%
NIGHT
64°F
SW 4 mph
precip
8%

San Diego Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for San Diego was 23.1°F. The maximum and minimum values were 22.5°F and 23.9°F respectively.

San Diego on the Weather Map

Best Time to Visit San Diego
The most sunny months:
November 20 days
July 20 days
August 20 days
The most warm months:
August 82.5 °F
September 81.0 °F
July 79.4 °F
Warmest sea temperature:
August 72.2 °F
September 71.5 °F
July 70.9 °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