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      Elev 130 ft, 18.466 °N 66.119 °W

      San Juan, PR

      San Juan Antiguo Station85°
      Updated: 6:41 PM AST on September 12, 2026 (GMT -4)
      4 minutes ago
      89°
      81°
      85
      Feels Like 96
      Mostly Cloudy
      N
      10
      Gusts 17 mph
      Same temperature is expected tomorrow
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Sat 09/12
        Low 80°f
         15% Precip. / 0 in
        Partly cloudy skies. Low around 80F. Winds E at 5 to 10 mph.
        Tomorrow
        Sun 09/13
        High 89°f
         17% Precip. / 0 in
        Partly to mostly cloudy. High 89F. Winds ENE at 15 to 25 mph.
        Tomorrow night
        Sun 09/13
        Low 79°f
         11% Precip. / 0 in
        Partly cloudy. Low 79F. Winds ESE at 10 to 15 mph.
        Hourly Forecast
        Now
        86°
        7PM
        85°
        8PM
        85°
        9PM
        84°
        10PM
        84°
        11PM
        84°
        12AM
        83°
        1AM
        83°
        2AM
        83°
        3AM
        82°
        4AM
        82°
        5AM
        81°
        6AM
        81°
        6:11AM
        Sunrise
        7AM
        82°
        8AM
        84°
        9AM
        85°
        10AM
        87°
        11AM
        88°
        12PM
        88°
        1PM
        89°
        2PM
        88°
        3PM
        87°
        4PM
        87°
        5PM
        86°
        6PM
        85°
        Precipitation
        18%
        Pollen
        None
        Air Quality
        79
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.99 in
        2. Visibility 6 miles
        3. Clouds Mostly Cloudy
        4. Dew Point76°F
        5. Humidity 74%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         TJIG Station History
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 90°F 93°F 2006
        4. Low 81°F 73°F 66°F 1993
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for September 13, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 90°F 95°F
        4. Low 81°F 73°F 66°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:11 AM 6:29 PM
        3. Civil Twilight 5:49 AM 6:51 PM
        4. Nautical Twilight 5:24 AM 7:16PM
        5. Astronomical Twilight 4:58 AM 7:42 PM
        1. Length of Visible Light 13h 1m
        2. Length of Day 12h 17m
        3. Tomorrow will be 1 minute 3 seconds shorter
        1. Moon 7:25 AM 7:27 PM
        2. Waxing Crescent2% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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