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      Heat Advisory
      until 5:00 PM AST
      Elev 26 ft, 18.148 °N 67.145 °W

      Guanajibo, PR

      Guanajibo Station90°
      Updated: 12:19 PM AST on September 4, 2026 (GMT -4)
      5 minutes ago
      89°
      74°
      90
      Feels Like 108
      Partly Cloudy
      N
      10
      Gusts 19 mph
      Same temperature is expected today
      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
        Today
        Fri 09/04
        High 89°f
         6% Precip. / 0 in
        Partly cloudy. High 89F. Winds E at 5 to 10 mph.
        Tonight
        Fri 09/04
        Low 77°f
         10% Precip. / 0 in
        Partly cloudy. Low 77F. Winds light and variable.
        Tomorrow
        Sat 09/05
        High 90°f79°f
         47% Precip. / 0.2 in
        Partly cloudy early. Scattered thunderstorms developing in the afternoon. High around 90F. Winds E at 5 to 10 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        89°
        1PM
        89°
        2PM
        89°
        3PM
        89°
        4PM
        89°
        5PM
        87°
        6PM
        85°
        6:39PM
        Sunset
        7PM
        83°
        8PM
        82°
        9PM
        82°
        10PM
        81°
        11PM
        80°
        12AM
        80°
        1AM
        80°
        2AM
        80°
        3AM
        79°
        4AM
        79°
        5AM
        78°
        6AM
        79°
        6:14AM
        Sunrise
        7AM
        80°
        8AM
        83°
        9AM
        85°
        10AM
        87°
        11AM
        88°
        12PM
        31%
        89°
        Precipitation
        31%
        Pollen
        None
        Air Quality
        27
        Good
        UV Index
        11
        Extreme
        Additional Conditions
        1. Pressure 29.97 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point75°F
        5. Humidity 65%
        6. Rainfall 0.05 in
        7. Snow Depth 0 in
         TJMZ Station History
        Almanac for September 4, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 89°F 90°F 97°F 1991
        4. Low 74°F 72°F 59°F 1930
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in 0 in -
        Almanac for September 5, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 90°F 96°F
        4. Low 74°F 72°F 65°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:14 AM 6:40 PM
        3. Civil Twilight 5:52 AM 7:02 PM
        4. Nautical Twilight 5:27 AM 7:27PM
        5. Astronomical Twilight 5:01 AM 7:53 PM
        1. Length of Visible Light 13h 9m
        2. Length of Day 12h 25m
        3. Tomorrow will be 1 minute shorter
        1. Moon - 1:15 PM
        2. Last Quarter51% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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