Log In
    Favorites
        Member Settings
      Flash Flood Warning
      until 4:15 PM AST
      +2 more alerts
      Elev 179 ft, 18.354 °N 66.114 °W

      Guaynabo, PR

      Santa Rosa Station78°
      Updated: 1:46 PM AST on October 19, 2026 (GMT -4)
      3 minutes ago
      90°
      76°
      78
      Feels Like 78
      Rain
      N
      7
      Lower temperature is expected today
      Wundermap

      Loading nearby stations…

       Wundermap
      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
        Mon 10/19
        High 84°f
         92% Precip. / 0.21 in
        Thunderstorms. High 84F. Winds E at 5 to 10 mph. Chance of rain 90%.
        Tonight
        Mon 10/19
        Low 75°f
         12% Precip. / 0 in
        Clear skies. Low around 75F. Winds light and variable.
        Tomorrow
        Tue 10/20
        High 88°f74°f
         46% Precip. / 0.1 in
        Partly cloudy early. Scattered thunderstorms developing in the afternoon. High 88F. Winds E at 5 to 10 mph. Chance of rain 50%.
        Hourly Forecast
        Now
        78°
        2PM
        100%
        79°
        3PM
        61%
        80°
        4PM
        57%
        79°
        5PM
        84°
        5:59PM
        Sunset
        6PM
        82°
        7PM
        81°
        8PM
        80°
        9PM
        79°
        10PM
        79°
        11PM
        78°
        12AM
        77°
        1AM
        77°
        2AM
        77°
        3AM
        76°
        4AM
        76°
        5AM
        76°
        6AM
        76°
        6:19AM
        Sunrise
        7AM
        77°
        8AM
        80°
        9AM
        84°
        10AM
        86°
        11AM
        87°
        12PM
        88°
        1PM
        47%
        88°
        Precipitation
        100%
        Storms continuing through 4 PM
        Pollen
        None
        Air Quality
        21
        Good
        UV Index
        5
        Moderate
        Additional Conditions
        1. Pressure 29.87 in
        2. Visibility 7 miles
        3. Clouds Mostly Cloudy
        4. Dew Point75°F
        5. Humidity 90%
        6. Rainfall 0.04 in
        7. Snow Depth 0 in
         TJIG Station History
        Almanac for October 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 90°F 90°F 94°F 2009
        4. Low 76°F 72°F 65°F 1994
        5. Rain/Snow Depth
        6. Precipitation 0.21 in - in -
        7. Snow 0 in - in -
        Almanac for October 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 88°F 90°F 95°F
        4. Low 75°F 72°F 63°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:19 AM 5:59 PM
        3. Civil Twilight 5:57 AM 6:21 PM
        4. Nautical Twilight 5:31 AM 6:46PM
        5. Astronomical Twilight 5:06 AM 7:12 PM
        1. Length of Visible Light 12h 23m
        2. Length of Day 11h 39m
        3. Tomorrow will be 57 seconds shorter
        1. Moon 1:43 PM 12:18 AM
        2. Waxing Gibbous60% of the Moon is Illuminated
        Oct 26
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
        Nearby Weather Stations
        Station Location
        Temp
        Windchill
        Heat Index
        Dew Point
        Humidity
        Wind
        Precip.
        Elev.
        Updated
        Loading nearby stations…
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareers
        PWS NetworkWunderMap
        Trust CenterTerms of UsePrivacy PolicyData RightsPrivacy SettingsCookie NoticeData VendorsAccessibility Statement
        Level Access
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary