Current Conditions

Guaynabo, Guaynabo

80°F27°C
Drizzle

Wind

ESE 6 mph9 km/h

Humidity

79%

Cloud Cover

39%

As of Thursday, July 23, 2026 at 6:30 PM AST

Today's Outlook

Night

Partly cloudy, with a low around 78°F26°C. Light wind from the ESE around 6 mph9 km/h. 10% chance of drizzle.

7-Day Forecast

DayConditionHigh (°F)Low (°F)Precip (mm)Cloud Cover (%)Wind (mph)
ThursdayJul 23DrizzleHigh 87°F31°CFeels 93°F34°CLow 78°F26°CPrecip 0.02 in0.5 mm27%Cloud 41%Wind ESE 7 mph11 km/hThursday: Partly cloudy and hot, with a high of 87°F31°C — feels like 93°F34°C. Breezy from the ESE at 8 mph14 km/h. 27% chance of drizzle throughout the day. Heavy, humid air. Thursday Night: Partly cloudy, with a low around 78°F26°C. Light wind from the ESE around 6 mph9 km/h. 10% chance of drizzle.
FridayJul 24DrizzleHigh 88°F31°CFeels 94°F34°CLow 75°F24°CPrecip 0.02 in0.4 mm22%Cloud 32%Wind E 8 mph13 km/hFriday: Partly cloudy and hot, with a high of 88°F31°C and morning low of 80°F27°C — feels like 93°F34°C. Breezy from the E at 10 to 11 mph16 to 18 km/h. 22% chance of drizzle in the afternoon. Heavy, humid air. Friday Night: Partly cloudy, with a low around 75°F24°C. Light wind from the E around 5 mph9 km/h.
SaturdayJul 25DrizzleHigh 88°F31°CFeels 97°F36°CLow 77°F25°CPrecip 0.07 in1.9 mm79%Cloud 34%Wind E 8 mph13 km/hSaturday: Partly cloudy and hot, with a high of 88°F31°C and morning low of 81°F27°C — feels like 97°F36°C. Breezy from the E at 10 to 11 mph17 to 18 km/h. 79% chance of drizzle throughout the day. Heat risk in the afternoon. Saturday Night: Partly cloudy, with a low around 77°F25°C. Light wind from the ENE around 6 mph10 km/h. 23% chance of drizzle before dawn.
SundayJul 26ShowersHigh 87°F30°CFeels 95°F35°CLow 77°F25°CPrecip 0.11 in2.7 mm76%Cloud 33%Wind E 8 mph12 km/hSunday: Partly cloudy and hot, with a high of 87°F30°C and morning low of 80°F27°C — feels like 95°F35°C. Breezy from the E at 9 to 10 mph15 to 16 km/h. 76% chance of showers throughout the day. Heat risk in the afternoon. Sunday Night: Partly cloudy, with a low around 77°F25°C. Light wind from the E around 6 mph9 km/h. 22% chance of drizzle throughout the night.
MondayJul 27ShowersHigh 86°F30°CFeels 94°F35°CLow 76°F24°CPrecip 0.15 in3.7 mm85%Cloud 42%Wind E 6 mph10 km/hMonday: Partly cloudy and hot, with a high of 86°F30°C and morning low of 79°F26°C — feels like 95°F35°C. Breezy from the E at 8 to 9 mph12 to 14 km/h. 85% chance of showers throughout the day. Heavy, humid air. Monday Night: Partly cloudy, with a low around 76°F24°C. Light wind from the E around 5 mph7 km/h. 23% chance of drizzle throughout the night.
TuesdayJul 28ShowersHigh 87°F30°CFeels 95°F35°CLow 76°F25°CPrecip 0.11 in2.7 mm80%Cloud 52%Wind E 7 mph11 km/hTuesday: Mostly cloudy and hot, with a high of 87°F30°C and morning low of 80°F27°C — feels like 95°F35°C. Breezy from the ESE at 9 to 10 mph14 to 16 km/h. 80% chance of showers throughout the day. Heat risk in the afternoon. Tuesday Night: Partly cloudy, with a low around 76°F25°C. Light wind from the E around 5 mph9 km/h. 32% chance of drizzle in the evening.
WednesdayJul 29Light RainHigh 87°F30°CFeels 96°F36°CLow 78°F25°CPrecip 0.09 in2.4 mm77%Cloud 73%Wind ESE 9 mph14 km/hWednesday: Mostly cloudy and hot, with a high of 87°F30°C and morning low of 81°F27°C — feels like 97°F36°C. Breezy from the ESE at 11 to 12 mph18 to 19 km/h. 77% chance of light rain throughout the day. Heat risk in the afternoon. Wednesday Night: Mostly cloudy, with a low around 78°F25°C. Breezy from the E at 7 to 8 mph11 to 12 km/h. 19% chance of drizzle overnight.

15-Day Forecast

Day High (°F) Low (°F) Precip (mm) Cloud Cover (%) Condition Wind (mph)

Nearby Cities

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 18.3575°N, 66.1110°W·Elevation: 47m·Timezone: America/Puerto_Rico·Population: 81,360