Station SJNP4 - 9755371 - San Juan, La Puntilla, San Juan Bay, PR
August 18, 2026 1:48 am ADTLocation: 18.459N 66.116W
Wind Direction: ENE (70°)
Wind Speed: 8.9 knots
Wind Gust: 12.1 knots
Atmospheric Pressure: 30.03 in (1016.8 mb)
Water Temperature: 85.6°F (29.8°C)
Overnight - 82°F
Aug 18, 2026
7 mph E
Isolated Rain Showers
Isolated rain showers before 3am. Mostly clear, with a low around 82. East wind around 7 mph. Chance of precipitation is 20%.
Tuesday - 87°F
Aug 18, 2026
6 to 17 mph E
Scattered Rain Showers
Scattered rain showers after 9am. Mostly sunny, with a high near 87. East wind 6 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Tuesday Night - 81°F
Aug 18, 2026
8 to 14 mph E
Isolated Rain Showers
Isolated rain showers. Partly cloudy, with a low around 81. East wind 8 to 14 mph. Chance of precipitation is 20%.
Wednesday - 87°F
Aug 19, 2026
7 to 15 mph ESE
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Partly sunny, with a high near 87. East southeast wind 7 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Wednesday Night - 82°F
Aug 19, 2026
9 mph ESE
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly cloudy, with a low around 82. East southeast wind around 9 mph. Chance of precipitation is 50%.
Thursday - 88°F
Aug 20, 2026
8 to 16 mph E
Scattered Rain Showers
Scattered rain showers. Mostly sunny, with a high near 88. East wind 8 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Thursday Night - 82°F
Aug 20, 2026
10 to 15 mph E
Clear
Clear, with a low around 82. East wind 10 to 15 mph, with gusts as high as 21 mph.
Friday - 87°F
Aug 21, 2026
10 to 17 mph E
Mostly Sunny then Isolated Rain Showers
Isolated rain showers after noon. Mostly sunny, with a high near 87. East wind 10 to 17 mph, with gusts as high as 24 mph.
Friday Night - 82°F
Aug 21, 2026
12 to 15 mph E
Scattered Rain Showers
Scattered rain showers. Partly cloudy, with a low around 82. East wind 12 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday - 87°F
Aug 22, 2026
12 to 18 mph E
Scattered Rain Showers
Scattered rain showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Saturday Night - 82°F
Aug 22, 2026
12 to 15 mph E
Isolated Rain Showers
Isolated rain showers. Partly cloudy, with a low around 82.
Sunday - 87°F
Aug 23, 2026
12 to 18 mph E
Scattered Rain Showers
Scattered rain showers. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night - 82°F
Aug 23, 2026
10 to 15 mph E
Isolated Rain Showers
Isolated rain showers. Partly cloudy, with a low around 82.
Monday - 86°F
Aug 24, 2026
12 to 17 mph E
Scattered Rain Showers
Scattered rain showers. Mostly sunny, with a high near 86.