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Guaynabo, Guaynabo

81°F
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Guaynabo

Guaynabo

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Guaynabo, Guaynabo Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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7 AM

79°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 6%
Chevron down
Mostly sunny

RealFeel Shade™85°

Heat Index81°

WindESE 5 mph

Air QualityPoor

Max UV Index1.6 (Low)

Wind Gusts13 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover24%

Visibility6 mi

Cloud Ceiling30000 ft

8 AM

83°
RealFeel® 96°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 6%
Chevron down
Mostly sunny

RealFeel Shade™91°

Heat Index91°

WindESE 6 mph

Air QualityPoor

Max UV Index2.9 (Moderate)

Wind Gusts15 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover28%

Visibility7 mi

Cloud Ceiling30000 ft

9 AM

85°
RealFeel® 98°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 5%
Chevron down
Partly sunny

RealFeel Shade™92°

Heat Index94°

WindE 8 mph

Air QualityPoor

Max UV Index4.7 (Moderate)

Wind Gusts21 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover48%

Visibility7 mi

Cloud Ceiling30000 ft

10 AM

86°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 4%
Chevron down
Intermittent clouds
alerts

Heat Advisory

10:00 AM Tuesday - 4:00 PM Tuesday

RealFeel Shade™92°

Heat Index96°

WindENE 10 mph

Air QualityPoor

Max UV Index3.5 (Moderate)

Wind Gusts24 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover68%

Visibility7 mi

Cloud Ceiling2000 ft

11 AM

87°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 4%
Chevron down
Mostly cloudy
alerts

Heat Advisory

10:00 AM Tuesday - 4:00 PM Tuesday

RealFeel Shade™93°

Heat Index97°

WindENE 13 mph

Air QualityPoor

Max UV Index3.5 (Moderate)

Wind Gusts25 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover88%

Visibility7 mi

Cloud Ceiling2000 ft

12 PM

90°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 3%
Chevron down
Intermittent clouds
alerts

Heat Advisory

10:00 AM Tuesday - 4:00 PM Tuesday

RealFeel Shade™95°

Heat Index101°

WindENE 13 mph

Air QualityPoor

Max UV Index6.0 (High)

Wind Gusts24 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover64%

Visibility7 mi

Cloud Ceiling2000 ft

1 PM

88°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 3%
Chevron down
Partly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 4:00 PM Tuesday

RealFeel Shade™93°

Heat Index98°

WindENE 14 mph

Air QualityPoor

Max UV Index11.1 (Extreme)

Wind Gusts23 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover40%

Visibility7 mi

Cloud Ceiling30000 ft

2 PM

88°
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 3%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 4:00 PM Tuesday

RealFeel Shade™93°

Heat Index98°

WindENE 14 mph

Air QualityPoor

Max UV Index7.9 (Very High)

Wind Gusts21 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

87°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 2%
Chevron down
Mostly sunny
alerts

Heat Advisory

10:00 AM Tuesday - 4:00 PM Tuesday

RealFeel Shade™92°

Heat Index97°

WindENE 14 mph

Air QualityPoor

Max UV Index4.7 (Moderate)

Wind Gusts21 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover18%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
RealFeel® 95°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 1%
Chevron down
Mostly sunny

RealFeel Shade™92°

Heat Index96°

WindENE 14 mph

Air QualityPoor

Max UV Index2.9 (Moderate)

Wind Gusts21 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

86°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 1%
Chevron down
Mostly sunny

RealFeel Shade™91°

Heat Index95°

WindENE 14 mph

Air QualityFair

Max UV Index1.6 (Low)

Wind Gusts21 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

85°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 4%
Chevron down
Mostly sunny

RealFeel Shade™92°

Heat Index94°

WindENE 13 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts20 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover23%

Visibility7 mi

Cloud Ceiling30000 ft

7 PM

85°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 44%
Chevron down
Mostly clear

Heat Index94°

WindENE 12 mph

Air QualityFair

Wind Gusts18 mph

Humidity74%

Indoor Humidity74% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover23%

Visibility7 mi

Cloud Ceiling30000 ft

8 PM

84°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 46%
Chevron down
Mostly cloudy w/ t-storms

Heat Index93°

WindENE 10 mph

Air QualityPoor

Wind Gusts17 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover70%

Rain0.01 in

Visibility7 mi

Cloud Ceiling7000 ft

9 PM

84°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 51%
Chevron down
Partly cloudy w/ t-storms

Heat Index92°

WindENE 9 mph

Air QualityPoor

Wind Gusts17 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover22%

Rain0.03 in

Visibility7 mi

Cloud Ceiling30000 ft

10 PM

83°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 24%
Chevron down
Mostly clear

Heat Index92°

WindENE 9 mph

Air QualityPoor

Wind Gusts16 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover21%

Visibility7 mi

Cloud Ceiling30000 ft

11 PM

83°
RealFeel® 91°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
Chevron down
Mostly clear

Heat Index91°

WindE 9 mph

Air QualityPoor

Wind Gusts16 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover21%

Visibility6 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Guaynabo

AccuWeather's hourly forecast for Guaynabo provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 79° with a RealFeel® of 88°, mostly sunny with a 6% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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