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San José, San Juan

77°F
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San Juan

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

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Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Thursday, May 21

Day

5/21
89°Hi
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
RealFeel Shade™ 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
Breezy with some sun, then increasing clouds; a couple of showers in the afternoon

Max UV Index11.0 (Extreme)

AccuLumen Brightness Index™5 (Medium)

WindE 14 mph

Wind Gusts31 mph

Probability of Precipitation72%

Probability of Thunderstorms21%

Precipitation0.11 in

Rain0.11 in

Hours of Precipitation1.5

Hours of Rain1.5

Cloud Cover65%

Morning

Afternoon

Night

5/21
77°Lo
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
Mostly cloudy

WindESE 8 mph

Wind Gusts17 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover88%

Evening

Overnight

Sun & Moon

13 hrs 04 mins
Rise 5:49 AM
Set 6:53 PM
Waxing Crescent
Rise 10:38 AM
Set 12:00 AM

Temperature History

5/21
High
Low
Forecast
89°
77°
Average
87°
75°
Last Year
87°
77°
Record
95°
2024
69°
2011

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World Central America Puerto Rico San Juan San José

Weather Near San José:

  • Bayamón, Bayamón
  • Carolina, Carolina
  • San Juan, San Juan
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