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Guaynabo, Puerto Rico Weather Forecast
Guaynabo, Weather Forecast Date: 840 PM Wed Sep 23 2026 (Guaynabo Time)
Today Lo: 26°C79°F Hi: 31°C87°F |
Sunny Wednesday, temperatures as high as 31°C87°F, low temperature around 26°C79°F, chance of rain 4%, wind out of the ENE 22 km/h13 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 65%. |
Thursday Lo: 27°C80°F Hi: 31°C88°F |
Chance of showers Thursday, temperatures as high as 31°C88°F, low temperature around 27°C80°F, chance of rain 14%, wind out of the E 22 km/h14 mph. Barometric pressure 1014 mb29.94 in, visibility 10 km6 mi, humidity 65%. |
| Friday Lo: 26°C79°F Hi: 31°C88°F |
Sunny Friday, temperatures as high as 31°C88°F, low temperature around 26°C79°F, chance of rain 4%, wind out of the E 22 km/h13 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 65%. |
| Saturday Lo: 27°C80°F Hi: 31°C88°F |
Light rain shower Saturday, temperatures as high as 31°C88°F, low temperature around 27°C80°F, chance of rain 57%, wind out of the E 22 km/h14 mph. Barometric pressure 1015 mb29.97 in, visibility 10 km6 mi, humidity 65%. |
Sunday Lo: 27°C80°F Hi: 31°C88°F |
Overcast Sunday, temperatures as high as 31°C88°F, low temperature around 27°C80°F, chance of rain 13%, wind out of the E 22 km/h14 mph. Barometric pressure 1014 mb29.94 in, visibility 10 km6 mi, humidity 64%. |
| Monday Lo: 27°C81°F Hi: 30°C87°F |
Chance of showers Monday, temperatures as high as 30°C87°F, low temperature around 27°C81°F, chance of rain 12%, wind out of the ENE 25 km/h16 mph. Barometric pressure 1014 mb29.94 in, visibility 10 km6 mi, humidity 68%. |
| Tuesday Lo: 27°C81°F Hi: 30°C86°F |
Chance of showers Tuesday, temperatures as high as 30°C86°F, low temperature around 27°C81°F, chance of rain 16%, wind out of the E 24 km/h15 mph. Barometric pressure 1013 mb29.91 in, visibility 10 km6 mi, humidity 70%. |
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