07.10
wed
wed
Day
88°F
W 11 mph
Precip.
14%
14%
Night
81°F
NW 9 mph
Precip.
24%
24%
08.10
thu
thu
Day
86°F
W 14 mph
Precip.
17%
17%
Night
81°F
NW 11 mph
Precip.
25%
25%
09.10
fri
fri
Day
86°F
W 16 mph
Precip.
11%
11%
Night
81°F
W 14 mph
Precip.
49%
49%
10.10
sat
sat
Day
84°F
W 14 mph
Precip.
40%
40%
Night
81°F
W 11 mph
Precip.
20%
20%
11.10
sun
sun
Day
84°F
W 12 mph
Precip.
4%
4%
Night
81°F
W 11 mph
Precip.
20%
20%
12.10
mon
mon
Day
86°F
W 13 mph
Precip.
10%
10%
Night
79°F
NW 7 mph
Precip.
66%
66%
13.10
tue
tue
Day
86°F
W 13 mph
Precip.
15%
15%
Night
79°F
N 5 mph
Precip.
35%
35%
14.10
wed
wed
Day
86°F
W 9 mph
Precip.
66%
66%
Night
81°F
NW 6 mph
Precip.
34%
34%
15.10
thu
thu
Day
86°F
W 11 mph
Precip.
4%
4%
Night
79°F
NW 7 mph
Precip.
38%
38%
16.10
fri
fri
Day
84°F
SW 4 mph
Precip.
36%
36%
Night
77°F
N 5 mph
Precip.
58%
58%
17.10
sat
sat
Day
81°F
NW 4 mph
Precip.
50%
50%
Night
75°F
N 5 mph
Precip.
49%
49%
18.10
sun
sun
Day
81°F
SW 4 mph
Precip.
17%
17%
Night
77°F
SE 2 mph
Precip.
22%
22%
19.10
mon
mon
Day
82°F
NE 5 mph
Precip.
17%
17%
Night
79°F
NE 4 mph
Precip.
10%
10%
20.10
tue
tue
Day
82°F
SE 6 mph
Precip.
17%
17%
Night
79°F
E 3 mph
Precip.
8%
8%
sea water
temperature
temperature
| San Juan |
monthly
weather
weather
| San Juan |
current
weather
weather
| San Juan |
7 days
forecast
forecast
| San Juan |
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 85.5°F. The highest and lowest sea temperatures during the month were 86.0°F and 84.7°F.
Air temperature in San Juan, °F
Precipitation total in San Juan, in.
* Charts above show average data for the last 3 years.
Best time for vacation in San Juan
San Juan on a weather map
Places in Puerto Rico:
Name
°F
24 Hours Forecast
San Juan
Local time: 22:26
October 08, thursday
0000
81°F
NW
9 mph
9 mph
0300
79°F
NW
7 mph
7 mph
0600
81°F
NW
9 mph
9 mph
0900
84°F
NW
9 mph
9 mph
1200
86°F
W
14 mph
14 mph
1500
86°F
W
16 mph
16 mph
1800
82°F
NW
12 mph
12 mph
2100
81°F
NW
9 mph
9 mph
