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Old San Juan, Puerto Rico Weather Forecast
Old San Juan, PR Weather Forecast Dated: 430 AM Sun Aug 30 2026 (Old San Juan Time)
Sun, 30th Lo: 24°C74°F Hi: 30°C85°F |
Light rain shower Sunday, temperatures as high as 30°C85°F, low temperature around 24°C74°F, chance of rain 63%, wind out of the NE 8 km/h5 mph. Barometric pressure 1013 mb29.91 in, visibility 10 km6 mi, humidity 72%. |
Mon, 31st Lo: 23°C73°F Hi: 26°C79°F |
Overcast Monday, temperatures as high as 26°C79°F, low temperature around 23°C73°F, chance of rain 27%, wind out of the SE 7 km/h4 mph. Barometric pressure 1017 mb30.03 in, visibility 10 km6 mi, humidity 86%. |
| Tue, 1st Lo: 23°C74°F Hi: 31°C87°F |
Chance of showers Tuesday, temperatures as high as 31°C87°F, low temperature around 23°C74°F, chance of rain 17%, wind out of the ESE 19 km/h12 mph. Barometric pressure 1017 mb30.03 in, visibility 10 km6 mi, humidity 55%. |
| Wed, 2nd Lo: 23°C74°F Hi: 31°C88°F |
Chance of showers Wednesday, temperatures as high as 31°C88°F, low temperature around 23°C74°F, chance of rain 9%, wind out of the ESE 19 km/h12 mph. Barometric pressure 1016 mb30 in, visibility 10 km6 mi, humidity 57%. |
Thu, 3rd Lo: 23°C74°F Hi: 32°C90°F |
Partly Cloudy Thursday, temperatures as high as 32°C90°F, low temperature around 23°C74°F, chance of rain 5%, wind out of the ESE 17 km/h11 mph. Barometric pressure 1016 mb30 in, visibility 10 km6 mi, humidity 48%. |
| Fri, 4th Lo: 23°C74°F Hi: 31°C88°F |
Chance of showers Friday, temperatures as high as 31°C88°F, low temperature around 23°C74°F, chance of rain 19%, wind out of the ESE 18 km/h11 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 61%. |
| Sat, 5th Lo: 24°C76°F Hi: 32°C89°F |
Chance of showers Saturday, temperatures as high as 32°C89°F, low temperature around 24°C76°F, chance of rain 10%, wind out of the ESE 20 km/h13 mph. Barometric pressure 1014 mb29.94 in, visibility 10 km6 mi, humidity 60%. |
| Sun, 6th Lo: 24°C76°F Hi: 31°C88°F |
Partly Cloudy Sunday, temperatures as high as 31°C88°F, low temperature around 24°C76°F, chance of rain 6%, wind out of the SE 18 km/h11 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 55%. |
| Mon, 7th Lo: 24°C76°F Hi: 32°C89°F |
Chance of showers Monday, temperatures as high as 32°C89°F, low temperature around 24°C76°F, chance of rain 10%, wind out of the ESE 23 km/h14 mph. Barometric pressure 1016 mb30 in, visibility 10 km6 mi, humidity 60%. |
| Tue, 8th Lo: 24°C75°F Hi: 31°C88°F |
Chance of showers Tuesday, temperatures as high as 31°C88°F, low temperature around 24°C75°F, chance of rain 22%, wind out of the E 19 km/h12 mph. Barometric pressure 1017 mb30.03 in, visibility 10 km6 mi, humidity 60%. |
| Wed, 9th Lo: 24°C75°F Hi: 29°C84°F |
Light rain shower Wednesday, temperatures as high as 29°C84°F, low temperature around 24°C75°F, chance of rain 46%, wind out of the ESE 19 km/h12 mph. Barometric pressure 1016 mb30 in, visibility 10 km6 mi, humidity 72%. |
| Thu, 10th Lo: 24°C75°F Hi: 32°C89°F |
Chance of showers Thursday, temperatures as high as 32°C89°F, low temperature around 24°C75°F, chance of rain 11%, wind out of the ESE 26 km/h16 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 59%. |
Fri, 11th Lo: 23°C74°F Hi: 32°C89°F |
Sunny Friday, temperatures as high as 32°C89°F, low temperature around 23°C74°F, chance of rain 2%, wind out of the ESE 26 km/h16 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 50%. |
| Sat, 12th Lo: 24°C75°F Hi: 32°C89°F |
Sunny Saturday, temperatures as high as 32°C89°F, low temperature around 24°C75°F, chance of rain 2%, wind out of the SE 26 km/h16 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 52%. |
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