World Resorts Puerto Rico San Juan Weather

San Juan 7 Days Forecast

16.03
mon
Day
82°F
W 20 mph
Precip.
0%
Night
77°F
W 14 mph
Precip.
0%
17.03
tue
Day
82°F
W 19 mph
Precip.
0%
Night
77°F
W 12 mph
Precip.
0%
18.03
wed
Day
84°F
W 17 mph
Precip.
0%
Night
77°F
NW 9 mph
Precip.
0%
19.03
thu
Day
82°F
W 13 mph
Precip.
0%
Night
75°F
NW 7 mph
Precip.
66%
20.03
fri
Day
82°F
W 10 mph
Precip.
68%
Night
72°F
N 5 mph
Precip.
0%
21.03
sat
Day
81°F
SW 7 mph
Precip.
28%
Night
75°F
SW 5 mph
Precip.
100%
22.03
sun
Day
79°F
SW 14 mph
Precip.
100%
Night
75°F
W 10 mph
Precip.
72%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 80.4°F. The highest and lowest sea temperatures during the month were 80.6°F and 80.2°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 10 days
March 10 days
April 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 81.3 °F
Rainiest months:
October 5 days
September 4 days
November 4 days
Windiest months:
July 12.6 mph
February 11.9 mph
June 11.8 mph

San Juan on a weather map

San Juan
+79°F
W 17 mph
Feels like: +82°F
Precip.: 0%
Places in Puerto Rico:
Name
°F
+81°F
+79°F
+77°F
+81°F
+81°F
+79°F
24 Hours Forecast
San Juan
Local time: 18:36
March 16, monday
2100
77°F
W
15 mph
March 17, tuesday
0000
77°F
W
14 mph
0300
75°F
W
12 mph
0600
75°F
W
14 mph
0900
77°F
W
15 mph
1200
82°F
W
19 mph
1500
84°F
W
17 mph
1800
81°F
W
14 mph
Units of measurement: °C / °F