World Resorts Puerto Rico San Juan Weather

San Juan 7 Days Forecast

07.08
fri
Day
88°F
W 16 mph
Precip.
4%
Night
79°F
W 11 mph
Precip.
13%
08.08
sat
Day
88°F
W 16 mph
Precip.
4%
Night
79°F
W 11 mph
Precip.
20%
09.08
sun
Day
88°F
W 19 mph
Precip.
5%
Night
81°F
W 13 mph
Precip.
23%
10.08
mon
Day
88°F
W 18 mph
Precip.
4%
Night
81°F
W 10 mph
Precip.
22%
11.08
tue
Day
86°F
W 17 mph
Precip.
13%
Night
79°F
NW 9 mph
Precip.
21%
12.08
wed
Day
88°F
W 16 mph
Precip.
8%
Night
81°F
NW 10 mph
Precip.
31%
13.08
thu
Day
88°F
W 19 mph
Precip.
10%
Night
82°F
W 17 mph
Precip.
8%

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 84.8°F. The highest and lowest sea temperatures during the month were 85.3°F and 84.2°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

Sunniest months:
June 9 days
March 9 days
October 9 days
Warmest months:
September 87.0 °F
August 86.9 °F
July 86.5 °F
Warmest sea temp:
October 84.9 °F
September 84.9 °F
August 84.0 °F
Coldest months:
February 80.6 °F
January 80.8 °F
March 81.2 °F
Rainiest months:
October 5 days
September 4 days
November 4 days
Windiest months:
July 12.6 mph
June 11.9 mph
February 11.9 mph

San Juan on a weather map

Current weather
17:25
San Juan
+84°F
W 15 mph
Feels like: +90°F
Precip.: 5%
Places in Puerto Rico:
Name
°F
Aguadilla
+82°F
Arecibo
+82°F
Isabella
+82°F
Mayaguez
+82°F
Ponce
+84°F
San Juan
+84°F
24 Hours Forecast
San Juan
Local time: 17:25
August 07, friday
1800
84°F
W
15 mph
2100
81°F
W
11 mph
August 08, saturday
0000
79°F
W
11 mph
0300
79°F
W
12 mph
0600
77°F
NW
8 mph
0900
84°F
W
13 mph
1200
88°F
W
16 mph
1500
86°F
W
17 mph
Units of measurement: °C / °F