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      Elev 413 ft, 27.375 °S 55.899 °W

      Posadas, AR

      Libertador Gral D Jose De San Martin Airport Station79°
      Updated: 2:22 AM GMT-03:00 on September 21, 2026 (GMT -3)
      7 minutes ago
      92°
      64°
      79
      Feels Like 82
      Fair
      N
      6
      Lower 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
        Tonight
        Sun 09/20
        Low 71°f
         100% Precip. / 0.23 in
        Thunderstorms. Low 71F. Winds NNE at 5 to 10 mph. Chance of rain 100%.
        Tomorrow
        Mon 09/21
        High 77°f
         100% Precip. / 0.3 in
        Thunderstorms in the morning, then variable clouds during the afternoon with still a chance of showers. High 77F. E winds shifting to S at 10 to 20 mph. Chance of rain 100%.
        Tomorrow night
        Mon 09/21
        Low 54°f
         24% Precip. / 0 in
        Cloudy early with partial clearing expected late. Low 54F. Winds SSE at 10 to 20 mph.
        Hourly Forecast
        Now
        78°
        3AM
        79%
        77°
        4AM
        33%
        76°
        5AM
        100%
        75°
        6AM
        78%
        73°
        6:34AM
        Sunrise
        7AM
        99%
        73°
        8AM
        61%
        72°
        9AM
        73°
        10AM
        40%
        74°
        11AM
        44%
        76°
        12PM
        43%
        76°
        1PM
        76°
        2PM
        77°
        3PM
        38%
        77°
        4PM
        35%
        75°
        5PM
        41%
        75°
        6PM
        33%
        74°
        6:39PM
        Sunset
        7PM
        71°
        8PM
        69°
        9PM
        67°
        10PM
        33%
        66°
        11PM
        65°
        12AM
        63°
        1AM
        62°
        2AM
        62°
        Precipitation
        100%
        Storms continuing through 8 AM
        Pollen
        Grass Pollen
        Moderate
        Air Quality
        58
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.56 in
        2. Visibility 6 miles
        3. Clouds Partly Cloudy
        4. Dew Point70°F
        5. Humidity 78%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         SARP Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 92°F 79°F 98°F 2017
        4. Low 64°F 60°F 42°F 1998
        5. Rain/Snow Depth
        6. Precipitation 0.23 in 0.17 in -
        7. Snow 0 in - in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 80°F 80°F 98°F
        4. Low 64°F 60°F 46°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:34 AM 6:39 PM
        3. Civil Twilight 6:10 AM 7:02 PM
        4. Nautical Twilight 5:43 AM 7:29PM
        5. Astronomical Twilight 5:16 AM 7:57 PM
        1. Length of Visible Light 12h 51m
        2. Length of Day 12h 5m
        3. Tomorrow will be 1 minute 37 seconds longer
        1. Moon 2:02 PM 3:24 AM
        2. Waxing Gibbous75% 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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