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      Heat Advisory
      until 5:00 PM AST
      Elev 433 ft, 18.467 °N 67.025 °W

      Isabela, PR

      Guerrero Station77°
      Updated: 6:53 AM AST on September 19, 2026 (GMT -4)
      2 minutes ago
      88°
      77°
      77
      Feels Like 77
      Sunny
      N
      4
      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
        Sat 09/19
        High 88°f
         70% Precip. / 0.18 in
        Partly cloudy this morning with thunderstorms becoming likely this afternoon. High 88F. Winds ENE at 10 to 15 mph. Chance of rain 70%.
        Tonight
        Sat 09/19
        Low 77°f
         16% Precip. / 0 in
        Cloudy skies early, then partly cloudy after midnight. Low 77F. Winds ESE at 5 to 10 mph.
        Tomorrow
        Sun 09/20
        High 88°f78°f
         59% Precip. / 0.52 in
        Partly cloudy in the morning. Thunderstorms developing later in the day. High 88F. Winds ENE at 5 to 10 mph. Chance of rain 60%.
        Hourly Forecast
        Now
        77°
        7AM
        77°
        8AM
        80°
        9AM
        83°
        10AM
        86°
        11AM
        87°
        12PM
        87°
        1PM
        56%
        86°
        2PM
        71%
        86°
        3PM
        71%
        85°
        4PM
        59%
        85°
        5PM
        35%
        84°
        6PM
        83°
        6:26PM
        Sunset
        7PM
        82°
        8PM
        82°
        9PM
        82°
        10PM
        81°
        11PM
        80°
        12AM
        80°
        1AM
        80°
        2AM
        79°
        3AM
        79°
        4AM
        79°
        5AM
        78°
        6AM
        78°
        Precipitation
        71%
        Thunderstorms possible after 1 PM
        Pollen
        None
        Air Quality
        33
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.94 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point74°F
        5. Humidity 90%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         TJBQ Station History
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 87°F 97°F 1917
        4. Low 77°F 73°F 61°F 1988
        5. Rain/Snow Depth
        6. Precipitation 0.18 in 3.2 in -
        7. Snow 0 in 0 in -
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 87°F 93°F
        4. Low 77°F 73°F 62°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:16 AM 6:26 PM
        3. Civil Twilight 5:54 AM 6:48 PM
        4. Nautical Twilight 5:29 AM 7:14PM
        5. Astronomical Twilight 5:03 AM 7:39 PM
        1. Length of Visible Light 12h 53m
        2. Length of Day 12h 10m
        3. Tomorrow will be 1 minute 3 seconds shorter
        1. Moon 1:42 PM -
        2. Waxing Gibbous58% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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