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      Extreme Heat Warning
      until 5:00 PM AST
      Elev 640 ft, 18.387 °N 66.482 °W

      Río Arriba Saliente, PR

      Río Arriba Saliente Station93°
      Updated: 1:34 PM AST on September 10, 2026 (GMT -4)
      just now
      93°
      76°
      93
      Feels Like 110
      Partly Cloudy
      N
      16
      Gusts 30 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
        Thu 09/10
        High 93°f
         20% Precip. / 0 in
        Sun and clouds mixed. High 93F. Winds E at 10 to 20 mph.
        Tonight
        Thu 09/10
        Low 78°f
         8% Precip. / 0 in
        A few clouds. Low 78F. Winds E at 5 to 10 mph.
        Tomorrow
        Fri 09/11
        High 92°f77°f
         11% Precip. / 0 in
        Partly cloudy skies. High 92F. Winds ENE at 10 to 20 mph.
        Hourly Forecast
        Now
        91°
        2PM
        90°
        3PM
        89°
        4PM
        88°
        5PM
        86°
        6PM
        84°
        6:32PM
        Sunset
        7PM
        83°
        8PM
        81°
        9PM
        82°
        10PM
        82°
        11PM
        81°
        12AM
        81°
        1AM
        81°
        2AM
        80°
        3AM
        80°
        4AM
        80°
        5AM
        79°
        6AM
        79°
        6:12AM
        Sunrise
        7AM
        80°
        8AM
        84°
        9AM
        86°
        10AM
        89°
        11AM
        90°
        12PM
        91°
        1PM
        92°
        Precipitation
        21%
        Pollen
        None
        Air Quality
        48
        Good
        UV Index
        11
        Extreme
        Additional Conditions
        1. Pressure 29.98 in
        2. Visibility 8 miles
        3. Clouds Partly Cloudy
        4. Dew Point76°F
        5. Humidity 62%
        6. Rainfall 0.33 in
        7. Snow Depth 0 in
         TJAB Station History
        Almanac for September 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 93°F 87°F 95°F 1905
        4. Low 76°F 72°F 64°F 1918
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 92°F 87°F 95°F
        4. Low 76°F 72°F 66°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:12 AM 6:32 PM
        3. Civil Twilight 5:51 AM 6:54 PM
        4. Nautical Twilight 5:25 AM 7:19PM
        5. Astronomical Twilight 4:59 AM 7:45 PM
        1. Length of Visible Light 13h 3m
        2. Length of Day 12h 19m
        3. Tomorrow will be 1 minute 1 second shorter
        1. Moon 5:36 AM 6:15 PM
        2. New0% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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