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    16 - 20 of 90 days | All 90 days
    Previous 5 Days Next 5 Days
    • Wed

      Oct 12

      30° /24°
      Mostly cloudy
      More
    • Thu

      Oct 13

      30° /24°
      Mostly cloudy with a t-storm
      More
    • Fri

      Oct 14

      30° /24°
      Mostly cloudy with a t-storm
      More
    • Sat

      Oct 15

      30° /24°C
      A shower and t-storm around
    • Sun

      Oct 16

      30° /23°
      Mostly cloudy with a t-storm
      More

    Day

    30°Hi RealFeel® 37° Precipitation 60%
    Increasing clouds with a couple of showers and a thunderstorm in the afternoon
    • E 11 km/h
    • Gusts: 24 km/h
    • Max UV Index: 8 (Very High)
    • Thunderstorms: 55%
    • Precipitation: 6 mm
    • Rain: 6 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    24°Lo RealFeel® 26° Precipitation 41%
    Overcast with a shower or thunderstorm around
    • E 11 km/h
    • Gusts: 18 km/h
    • Max UV Index: N/A
    • Thunderstorms: 55%
    • Precipitation: 2 mm
    • Rain: 2 mm
    • Snow: 0 CM
    • Ice: 0 mm
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 10/15/2015
    High 30° 31° 35° (1994) 32°
    Low 24° 24° 22° (1966) 26°

    Sunrise/Sunset

    • Sunrise: 6:18 AM
    • Sunset: 6:01 PM
    • Duration: 11:43 hr

    Moonrise/Moonset

    • Moonrise: 5:55 PM
    • Moonset: 6:38 AM
    • Duration: 12:43 hr
    Astronomy

    San Juan Weather Report

    Tropical storm likely to form in Caribbean later this week

    September 27, 2016; 7:47 AM ET

    A tropical wave is likely to become the Atlantic Basin's next tropical storm as it approaches or crosses the Caribbean Sea later this week. More >