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San Juan, San Juan

77°F
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San Juan

San Juan

77°
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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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1 AM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

WindSE 7 mph

Air QualityPoor

Wind Gusts16 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover78%

Visibility5 mi

Cloud Ceiling1900 ft

2 AM

76°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

WindSE 7 mph

Air QualityPoor

Wind Gusts16 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover80%

Visibility5 mi

Cloud Ceiling1800 ft

3 AM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

WindSE 6 mph

Air QualityPoor

Wind Gusts16 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover64%

Visibility5 mi

Cloud Ceiling1800 ft

4 AM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly cloudy

WindESE 6 mph

Air QualityPoor

Wind Gusts15 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover48%

Visibility5 mi

Cloud Ceiling30000 ft

5 AM

74°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly cloudy

WindESE 6 mph

Air QualityPoor

Wind Gusts15 mph

Humidity91%

Indoor Humidity91% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover32%

Visibility5 mi

Cloud Ceiling30000 ft

6 AM

76°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 13%
Chevron down
Partly cloudy

WindESE 6 mph

Air QualityPoor

Wind Gusts15 mph

Humidity87%

Indoor Humidity87% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover40%

Visibility5 mi

Cloud Ceiling30000 ft

7 AM

76°
RealFeel® 82°
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 7%
Chevron down
Intermittent clouds

RealFeel Shade™82°

WindESE 7 mph

Air QualityPoor

Max UV Index0.7 (Low)

Wind Gusts16 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility5 mi

Cloud Ceiling7000 ft

8 AM

77°
RealFeel® 86°
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 7%
Chevron down
Intermittent clouds

RealFeel Shade™82°

WindESE 7 mph

Air QualityPoor

Max UV Index2.7 (Moderate)

Wind Gusts17 mph

Humidity86%

Indoor Humidity86% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover57%

Visibility5 mi

Cloud Ceiling30000 ft

9 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
Intermittent clouds

RealFeel Shade™83°

WindESE 9 mph

Air QualityPoor

Max UV Index4.1 (Moderate)

Wind Gusts18 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover66%

Visibility5 mi

Cloud Ceiling30000 ft

10 AM

80°
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 5%
Chevron down
Mostly cloudy

RealFeel Shade™83°

WindE 12 mph

Air QualityPoor

Max UV Index3.2 (Moderate)

Wind Gusts21 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™5 (Medium)

Cloud Cover75%

Visibility5 mi

Cloud Ceiling4000 ft

11 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 5%
Chevron down
Mostly cloudy

RealFeel Shade™83°

WindE 13 mph

Air QualityPoor

Max UV Index7.3 (High)

Wind Gusts23 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover84%

Visibility5 mi

Cloud Ceiling30000 ft

12 PM

83°
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 8%
Chevron down
Mostly cloudy

RealFeel Shade™85°

WindE 14 mph

Air QualityPoor

Max UV Index3.6 (Moderate)

Wind Gusts23 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover89%

Visibility5 mi

Cloud Ceiling1900 ft

1 PM

81°
RealFeel® 84°
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 75%
Chevron down
Rain

RealFeel Shade™81°

WindE 14 mph

Air QualityPoor

Max UV Index2.4 (Low)

Wind Gusts24 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover94%

Rain0.16 in

Visibility4 mi

Cloud Ceiling1900 ft

2 PM

78°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 70%
Chevron down
Rain

RealFeel Shade™78°

WindE 15 mph

Air QualityPoor

Max UV Index1.4 (Low)

Wind Gusts24 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.08 in

Visibility4 mi

Cloud Ceiling1900 ft

3 PM

79°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 68%
Chevron down
Rain

RealFeel Shade™79°

WindE 14 mph

Air QualityPoor

Max UV Index0.8 (Low)

Wind Gusts22 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility4 mi

Cloud Ceiling1800 ft

4 PM

80°
RealFeel® 83°
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 23%
Chevron down
Cloudy

RealFeel Shade™82°

WindE 14 mph

Air QualityPoor

Max UV Index1.1 (Low)

Wind Gusts20 mph

Humidity75%

Indoor Humidity75% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling24700 ft

5 PM

80°
RealFeel® 82°
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 18%
Chevron down
Cloudy

RealFeel Shade™82°

WindE 13 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts17 mph

Humidity76%

Indoor Humidity76% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling24700 ft

6 PM

79°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Cloudy

RealFeel Shade™81°

WindE 12 mph

Air QualityPoor

Max UV Index0.1 (Low)

Wind Gusts17 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling30000 ft

7 PM

78°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Cloudy

WindE 10 mph

Air QualityPoor

Wind Gusts17 mph

Humidity80%

Indoor Humidity80% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling4000 ft

8 PM

78°
RealFeel® 82°
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 20%
Chevron down
Cloudy

WindESE 9 mph

Air QualityPoor

Wind Gusts17 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility5 mi

Cloud Ceiling4000 ft

9 PM

78°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Mostly cloudy

WindESE 9 mph

Air QualityPoor

Wind Gusts17 mph

Humidity83%

Indoor Humidity83% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover79%

Visibility5 mi

Cloud Ceiling30000 ft

10 PM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Intermittent clouds

WindESE 9 mph

Air QualityPoor

Wind Gusts17 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover58%

Visibility5 mi

Cloud Ceiling30000 ft

11 PM

77°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 20%
Chevron down
Partly cloudy

WindESE 8 mph

Air QualityPoor

Wind Gusts17 mph

Humidity84%

Indoor Humidity84% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover38%

Visibility5 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 77° with a RealFeel® of 81°, 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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