Current Conditions

Guaynabo, Guaynabo

79°F26°C

Showers

Wind

E 7 mph10 km/h

Humidity

89%

Cloud Cover

69%

As of Tuesday, September 8, 2026 at 11:57 PM AST

Today's Outlook

Night

Mostly cloudy, with a low around 78°F25°C. Breezy from the E at 8 mph12 km/h. 86% chance of showers throughout the night.

7-Day Forecast

Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
Showers	High 88°F31°CFeels 97°F36°C	Low 78°F25°C	Precip 0.14 in3.5 mm86%	Cloud 52%	Wind E 10 mph15 km/h	Wednesday: Partly cloudy and hot, with a high of 88°F31°C and morning low of 80°F27°C — feels like 97°F36°C. Breezy from the E at 12 to 13 mph19 to 21 km/h. 74% chance of drizzle throughout the day. Heat risk in the afternoon. Wednesday Night: Mostly cloudy, with a low around 78°F25°C. Breezy from the E at 8 mph12 km/h. 86% chance of showers throughout the night.
Light Rain	High 87°F31°CFeels 99°F37°C	Low 77°F25°C	Precip 0.18 in4.6 mm84%	Cloud 75%	Wind E 8 mph14 km/h	Thursday: Mostly cloudy and hot, with a high of 87°F31°C and morning low of 80°F27°C — feels like 99°F37°C. Breezy from the ESE at 10 to 11 mph16 to 18 km/h. 84% chance of light rain throughout the day. Heat risk in the afternoon. Thursday Night: Mostly cloudy, with a low around 77°F25°C. Breezy from the E at 7 to 8 mph11 to 12 km/h. 79% chance of light rain throughout the night.
Drizzle	High 88°F31°CFeels 97°F36°C	Low 78°F26°C	Precip 0.02 in0.4 mm11%	Cloud 64%	Wind E 7 mph12 km/h	Friday: Mostly 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 9 mph14 km/h. 11% chance of drizzle. Heat risk in the afternoon. Friday Night: Mostly cloudy, with a low around 78°F26°C. Light wind from the E around 6 mph9 km/h.
Drizzle	High 87°F31°CFeels 95°F35°C	Low 77°F25°C	Precip 0.03 in0.7 mm36%	Cloud 69%	Wind ENE 7 mph11 km/h	Saturday: Mostly cloudy and hot, with a high of 87°F31°C and morning low of 81°F27°C — feels like 95°F35°C. Breezy from the ENE at 9 mph14 km/h. 36% chance of drizzle in the afternoon. Heavy, humid air. Saturday Night: Mostly cloudy, with a low around 77°F25°C. Light wind from the ENE around 6 mph9 km/h.
Showers	High 85°F30°CFeels 94°F34°C	Low 77°F25°C	Precip 0.13 in3.2 mm88%	Cloud 67%	Wind E 7 mph11 km/h	Sunday: Mostly cloudy and warm, with a high of 85°F30°C and morning low of 80°F27°C — feels like 93°F34°C. Breezy from the E at 8 to 9 mph13 to 15 km/h. 88% chance of showers throughout the day. Heavy, humid air. Sunday Night: Mostly cloudy, with a low around 77°F25°C. Light wind from the E around 5 mph9 km/h. 27% chance of drizzle in the evening.
Light Rain	High 85°F29°CFeels 93°F34°C	Low 77°F25°C	Precip 0.13 in3.2 mm78%	Cloud 77%	Wind E 6 mph10 km/h	Monday: Mostly cloudy and warm, with a high of 85°F29°C and morning low of 79°F26°C — feels like 93°F34°C. Breezy from the E at 8 to 9 mph12 to 14 km/h. 78% chance of light rain throughout the day. Heavy, humid air. Monday Night: Mostly cloudy, with a low around 77°F25°C. Light wind from the E around 5 mph8 km/h. 18% chance of drizzle before dawn.
Light Rain	High 86°F30°CFeels 93°F34°C	Low 77°F25°C	Precip 0.1 in2.5 mm61%	Cloud 77%	Wind ENE 7 mph12 km/h	Tuesday: Mostly cloudy and warm, with a high of 86°F30°C and morning low of 80°F26°C — feels like 93°F34°C. Breezy from the E at 9 to 10 mph14 to 16 km/h. 61% chance of light rain throughout the day. Heavy, humid air. Tuesday Night: Overcast, with a low around 77°F25°C. Light wind from the ENE around 6 mph9 km/h. 29% chance of drizzle throughout the night.

15-Day Forecast

	Day	High	Low	Precip	Cloud Cover	Condition	Wind
	WednesdaySep 9	88°F31°C Feels 97°F36°C	78°F25°C	0.14 in3.5 mm· 86%	52%	Showers	E 10 mph15 km/h
DayPartly cloudy and hot, with a high of 88°F31°C and morning low of 80°F27°C — feels like 97°F36°C. Breezy from the E at 12 to 13 mph19 to 21 km/h. 74% chance of drizzle throughout the day. Heat risk in the afternoon. NightMostly cloudy, with a low around 78°F25°C. Breezy from the E at 8 mph12 km/h. 86% chance of showers throughout the night.
	ThursdaySep 10	87°F31°C Feels 99°F37°C	77°F25°C	0.18 in4.6 mm· 84%	75%	Light Rain	E 8 mph14 km/h
DayMostly cloudy and hot, with a high of 87°F31°C and morning low of 80°F27°C — feels like 99°F37°C. Breezy from the ESE at 10 to 11 mph16 to 18 km/h. 84% chance of light rain throughout the day. Heat risk in the afternoon. NightMostly cloudy, with a low around 77°F25°C. Breezy from the E at 7 to 8 mph11 to 12 km/h. 79% chance of light rain throughout the night.
	FridaySep 11	88°F31°C Feels 97°F36°C	78°F26°C	0.02 in0.4 mm· 11%	64%	Drizzle	E 7 mph12 km/h
DayMostly 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 9 mph14 km/h. 11% chance of drizzle. Heat risk in the afternoon. NightMostly cloudy, with a low around 78°F26°C. Light wind from the E around 6 mph9 km/h.
	SaturdaySep 12	87°F31°C Feels 95°F35°C	77°F25°C	0.03 in0.7 mm· 36%	69%	Drizzle	ENE 7 mph11 km/h
DayMostly cloudy and hot, with a high of 87°F31°C and morning low of 81°F27°C — feels like 95°F35°C. Breezy from the ENE at 9 mph14 km/h. 36% chance of drizzle in the afternoon. Heavy, humid air. NightMostly cloudy, with a low around 77°F25°C. Light wind from the ENE around 6 mph9 km/h.
	SundaySep 13	85°F30°C Feels 94°F34°C	77°F25°C	0.13 in3.2 mm· 88%	67%	Showers	E 7 mph11 km/h
DayMostly cloudy and warm, with a high of 85°F30°C and morning low of 80°F27°C — feels like 93°F34°C. Breezy from the E at 8 to 9 mph13 to 15 km/h. 88% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 77°F25°C. Light wind from the E around 5 mph9 km/h. 27% chance of drizzle in the evening.
	MondaySep 14	85°F29°C Feels 93°F34°C	77°F25°C	0.13 in3.2 mm· 78%	77%	Light Rain	E 6 mph10 km/h
DayMostly cloudy and warm, with a high of 85°F29°C and morning low of 79°F26°C — feels like 93°F34°C. Breezy from the E at 8 to 9 mph12 to 14 km/h. 78% chance of light rain throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 77°F25°C. Light wind from the E around 5 mph8 km/h. 18% chance of drizzle before dawn.
	TuesdaySep 15	86°F30°C Feels 93°F34°C	77°F25°C	0.1 in2.5 mm· 61%	77%	Light Rain	ENE 7 mph12 km/h
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 80°F26°C — feels like 93°F34°C. Breezy from the E at 9 to 10 mph14 to 16 km/h. 61% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 77°F25°C. Light wind from the ENE around 6 mph9 km/h. 29% chance of drizzle throughout the night.
	WednesdaySep 16	84°F29°C Feels 92°F33°C	76°F25°C	0.33 in8.4 mm· 93%	88%	Rain	E 7 mph11 km/h
DayOvercast and warm, with a high of 84°F29°C and morning low of 79°F26°C — feels like 91°F33°C. Breezy from the E at 8 to 10 mph13 to 16 km/h. 93% chance of rain throughout the day. Heavy, humid air. NightOvercast, with a low around 76°F25°C. Light wind from the E around 6 mph9 km/h. 63% chance of light rain throughout the night.
	ThursdaySep 17	84°F29°C Feels 92°F33°C	76°F25°C	0.28 in7.1 mm· 84%	87%	Light Rain	ESE 6 mph10 km/h
DayOvercast and warm, with a high of 84°F29°C and morning low of 79°F26°C — feels like 91°F33°C. Breezy from the ESE at 7 to 8 mph12 to 13 km/h. 84% chance of light rain throughout the day. Heavy, humid air. NightOvercast, with a low around 76°F25°C. Light wind from the E around 5 mph8 km/h. 45% chance of light rain throughout the night.
	FridaySep 18	85°F29°C Feels 94°F34°C	76°F24°C	0.24 in6 mm· 88%	74%	Light Rain	E 5 mph9 km/h
DayMostly cloudy and warm, with a high of 85°F29°C and morning low of 79°F26°C — feels like 93°F34°C. Breezy from the E at 6 to 7 mph10 to 12 km/h. 88% chance of light rain throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 76°F24°C. Light wind from the E around 4 mph7 km/h. 44% chance of drizzle throughout the night.
	SaturdaySep 19	85°F30°C Feels 94°F34°C	76°F24°C	0.21 in5.3 mm· 90%	66%	Showers	ESE 5 mph8 km/h
DayMostly cloudy and warm, with a high of 85°F30°C and morning low of 79°F26°C — feels like 93°F34°C. Breezy from the ESE at 6 to 7 mph10 to 11 km/h. 90% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 76°F24°C. Light wind from the E around 4 mph6 km/h. 39% chance of drizzle throughout the night.
	SundaySep 20	85°F30°C Feels 94°F34°C	75°F24°C	0.21 in5.3 mm· 89%	62%	Showers	ESE 5 mph7 km/h
DayMostly cloudy and warm, with a high of 85°F30°C and morning low of 79°F26°C — feels like 93°F34°C. Breezy from the ESE at 6 to 7 mph9 to 11 km/h. 89% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 75°F24°C. Light wind from the ESE around 4 mph6 km/h. 35% chance of drizzle throughout the night.
	MondaySep 21	86°F30°C Feels 95°F35°C	76°F24°C	0.17 in4.3 mm· 84%	59%	Showers	E 5 mph8 km/h
DayMostly 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 ESE at 6 to 7 mph10 to 11 km/h. 84% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 76°F24°C. Light wind from the E around 4 mph6 km/h. 29% chance of drizzle throughout the night.
	TuesdaySep 22	86°F30°C Feels 95°F35°C	76°F25°C	0.2 in5.2 mm· 85%	59%	Showers	E 5 mph9 km/h
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 80°F27°C — feels like 95°F35°C. Breezy from the E at 7 to 8 mph11 to 12 km/h. 85% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 76°F25°C. Light wind from the E around 4 mph7 km/h. 42% chance of drizzle throughout the night.
	WednesdaySep 23	86°F30°C Feels 95°F35°C	76°F25°C	0.18 in4.5 mm· 84%	64%	Showers	E 6 mph9 km/h
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 80°F26°C — feels like 95°F35°C. Breezy from the E at 7 to 8 mph11 to 12 km/h. 84% chance of showers throughout the day. Heavy, humid air. NightMostly cloudy, with a low around 76°F25°C. Light wind from the E around 4 mph7 km/h. 35% chance of drizzle throughout the night.

Nearby Cities

Bayamón4 mi7 km Cataño6 mi9 km Trujillo Alto7 mi11 km Candelaria7 mi12 km San Juan8 mi12 km Levittown8 mi13 km

About This Forecast

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