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San Juan, San Juan

82°F
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San Juan

San Juan

82°
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San Juan, San Juan Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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8 AM

84°
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 20%
Chevron down
Mostly cloudy

RealFeel Shade™92°

Heat Index95°

WindESE 9 mph

Air QualityPoor

Max UV Index1.9 (Low)

Wind Gusts23 mph

Humidity82%

Indoor Humidity82% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover77%

Visibility6 mi

Cloud Ceiling30000 ft

9 AM

86°
RealFeel® 99°
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 20%
Chevron down
Intermittent clouds

RealFeel Shade™94°

Heat Index98°

WindESE 12 mph

Air QualityPoor

Max UV Index4.1 (Moderate)

Wind Gusts25 mph

Humidity77%

Indoor Humidity77% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover62%

Visibility6 mi

Cloud Ceiling30000 ft

10 AM

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 20%
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Partly sunny

RealFeel Shade™95°

Heat Index101°

WindE 14 mph

Air QualityPoor

Max UV Index6.8 (High)

Wind Gusts27 mph

Humidity72%

Indoor Humidity72% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility7 mi

Cloud Ceiling30000 ft

11 AM

89°
RealFeel® 102°
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 20%
Chevron down
Partly sunny

RealFeel Shade™95°

Heat Index102°

WindE 15 mph

Air QualityPoor

Max UV Index9.9 (Very High)

Wind Gusts28 mph

Humidity69%

Indoor Humidity69% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover30%

Visibility7 mi

Cloud Ceiling30000 ft

12 PM

91°
RealFeel® 105°
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 25%
Chevron down
Intermittent clouds

RealFeel Shade™97°

Heat Index105°

WindE 16 mph

Air QualityPoor

Max UV Index11.1 (Extreme)

Wind Gusts28 mph

Humidity65%

Indoor Humidity65% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover52%

Visibility7 mi

Cloud Ceiling30000 ft

1 PM

89°
RealFeel® 102°
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 43%
Chevron down
Intermittent clouds

RealFeel Shade™95°

Heat Index102°

WindE 17 mph

Air QualityPoor

Max UV Index8.0 (Very High)

Wind Gusts28 mph

Humidity68%

Indoor Humidity68% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover74%

Visibility5 mi

Cloud Ceiling30000 ft

2 PM

89°
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 47%
Chevron down
Cloudy

RealFeel Shade™95°

Heat Index101°

WindE 16 mph

Air QualityPoor

Max UV Index1.8 (Low)

Wind Gusts28 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point77° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility6 mi

Cloud Ceiling1900 ft

3 PM

88°
RealFeel® 94°
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 51%
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Thunderstorms

RealFeel Shade™92°

Heat Index101°

WindE 16 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts25 mph

Humidity71%

Indoor Humidity71% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover93%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

4 PM

87°
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 51%
Chevron down
Thunderstorms

RealFeel Shade™93°

Heat Index101°

WindE 15 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts24 mph

Humidity79%

Indoor Humidity79% (Dangerously Humid)

Dew Point80° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Rain0.12 in

Visibility4 mi

Cloud Ceiling2000 ft

5 PM

85°
RealFeel® 94°
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 47%
Chevron down
Mostly cloudy

RealFeel Shade™94°

Heat Index96°

WindE 14 mph

Air QualityPoor

Max UV Index0.9 (Low)

Wind Gusts23 mph

Humidity78%

Indoor Humidity78% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover85%

Visibility7 mi

Cloud Ceiling30000 ft

6 PM

85°
RealFeel® 94°
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 30%
Chevron down
Mostly cloudy

RealFeel Shade™94°

Heat Index97°

WindE 13 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts21 mph

Humidity78%

Indoor Humidity78% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover85%

Visibility7 mi

Cloud Ceiling30000 ft

7 PM

85°
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 2%
Chevron down
Mostly cloudy

Heat Index97°

WindE 10 mph

Air QualityPoor

Wind Gusts18 mph

Humidity79%

Indoor Humidity79% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover84%

Visibility7 mi

Cloud Ceiling30000 ft

8 PM

85°
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 2%
Chevron down
Mostly cloudy

Heat Index96°

WindESE 9 mph

Air QualityPoor

Wind Gusts16 mph

Humidity81%

Indoor Humidity81% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover84%

Visibility6 mi

Cloud Ceiling30000 ft

9 PM

85°
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 2%
Chevron down
Mostly cloudy

Heat Index96°

WindESE 9 mph

Air QualityPoor

Wind Gusts17 mph

Humidity81%

Indoor Humidity81% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover86%

Visibility7 mi

Cloud Ceiling30000 ft

10 PM

84°
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 2%
Chevron down
Mostly cloudy

Heat Index95°

WindESE 9 mph

Air QualityPoor

Wind Gusts17 mph

Humidity82%

Indoor Humidity82% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover89%

Visibility7 mi

Cloud Ceiling30000 ft

11 PM

84°
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 2%
Chevron down
Cloudy

Heat Index95°

WindESE 9 mph

Air QualityPoor

Wind Gusts17 mph

Humidity82%

Indoor Humidity82% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover92%

Visibility7 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for San Juan

AccuWeather's hourly forecast for San Juan provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 84° with a RealFeel® of 97°, mostly cloudy with a 20% 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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