26.06
fri
fri
Day
86°F
W 17 mph
Precip.
4%
4%
Night
77°F
W 11 mph
Precip.
39%
39%
27.06
sat
sat
Day
86°F
W 15 mph
Precip.
4%
4%
Night
77°F
NW 11 mph
Precip.
20%
20%
28.06
sun
sun
Day
86°F
W 16 mph
Precip.
3%
3%
Night
79°F
W 10 mph
Precip.
40%
40%
29.06
mon
mon
Day
86°F
W 14 mph
Precip.
14%
14%
Night
79°F
NW 7 mph
Precip.
30%
30%
30.06
tue
tue
Day
86°F
W 16 mph
Precip.
3%
3%
Night
77°F
NW 7 mph
Precip.
12%
12%
01.07
wed
wed
Day
86°F
W 15 mph
Precip.
3%
3%
Night
77°F
NW 9 mph
Precip.
10%
10%
02.07
thu
thu
Day
84°F
W 15 mph
Precip.
17%
17%
Night
77°F
NW 8 mph
Precip.
18%
18%
sea water
temperature
temperature
| San Juan |
monthly
weather
weather
| San Juan |
current
weather
weather
| San Juan |
14 days
forecast
forecast
| San Juan |
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 82.6°F. The highest and lowest sea temperatures during the month were 83.3°F and 82.0°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 83.5°F. The highest and lowest sea temperatures during the month were 84.6°F and 82.6°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: 20:28
June 26, friday
2100
79°F
SW
13 mph
13 mph
June 27, saturday
0000
77°F
W
11 mph
11 mph
0300
77°F
W
9 mph
9 mph
0600
77°F
W
8 mph
8 mph
0900
81°F
W
11 mph
11 mph
1200
86°F
W
15 mph
15 mph
1500
86°F
W
17 mph
17 mph
1800
82°F
W
16 mph
16 mph
