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San Juan, San Juan

81°F
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San Juan

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San Juan, San Juan Weather
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Today

Hourly

 Daily Radar MinuteCast Monthly Air Quality Health & Activities

7 AM

81°
RealFeel® 90°
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 7%
Chevron down
Hazy sunshine

RealFeel Shade™88°

WindESE 8 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts21 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Visibility7 mi

Cloud Ceiling30000 ft

8 AM

83°
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 7%
Chevron down
Hazy sunshine

RealFeel Shade™89°

WindESE 9 mph

Air QualityPoor

Max UV Index3 (Moderate)

Wind Gusts23 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover58%

Visibility7 mi

Cloud Ceiling30000 ft

9 AM

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 7%
Chevron down
Hazy sunshine

RealFeel Shade™90°

WindE 12 mph

Air QualityPoor

Max UV Index4 (Moderate)

Wind Gusts24 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover71%

Visibility7 mi

Cloud Ceiling30000 ft

10 AM

85°
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 7%
Chevron down
Hazy sunshine
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™90°

WindE 14 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts25 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover83%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

86°
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 7%
Chevron down
Hazy sunshine
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™91°

WindE 15 mph

Air QualityPoor

Max UV Index6 (High)

Wind Gusts28 mph

Humidity72%

Indoor Humidity72% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

86°
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 4%
Chevron down
Hazy sunshine
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™91°

WindE 17 mph

Air QualityPoor

Max UV Index6 (High)

Wind Gusts28 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

88°
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 0%
Chevron down
Cloudy
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™93°

WindE 17 mph

Air QualityPoor

Max UV Index5 (Moderate)

Wind Gusts28 mph

Humidity66%

Indoor Humidity66% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

87°
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 0%
Chevron down
Cloudy
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™91°

WindE 18 mph

Air QualityPoor

Max UV Index4 (Moderate)

Wind Gusts28 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

86°
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 0%
Chevron down
Cloudy
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™90°

WindE 18 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts29 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover98%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
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 0%
Chevron down
Cloudy
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™90°

WindE 18 mph

Air QualityPoor

Max UV Index2 (Low)

Wind Gusts28 mph

Humidity71%

Indoor Humidity71% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

85°
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 0%
Chevron down
Cloudy
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™91°

WindE 17 mph

Air QualityPoor

Max UV Index1 (Low)

Wind Gusts28 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

85°
RealFeel® 90°
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
Cloudy
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™90°

WindE 16 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts25 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover95%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

84°
RealFeel® 90°
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 34%
Chevron down
Cloudy
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

RealFeel Shade™90°

WindE 13 mph

Air QualityPoor

Max UV Index0 (Low)

Wind Gusts23 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility10 mi

Cloud Ceiling30000 ft

8 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 37%
Chevron down
Cloudy
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

WindE 10 mph

Air QualityPoor

Wind Gusts22 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

83°
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 40%
Chevron down
Thunderstorms
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

WindESE 10 mph

Air QualityPoor

Wind Gusts21 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Rain0.01 in

Visibility10 mi

Cloud Ceiling7000 ft

10 PM

83°
RealFeel® 87°
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
Thunderstorms
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

WindESE 10 mph

Air QualityPoor

Wind Gusts21 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover97%

Rain0.03 in

Visibility6 mi

Cloud Ceiling4000 ft

11 PM

82°
RealFeel® 90°
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
alerts

Heat Advisory

10:00 AM Thursday - 5:00 PM Friday

WindESE 9 mph

Air QualityPoor

Wind Gusts21 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover96%

Visibility7 mi

Cloud Ceiling30000 ft

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