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      Elev 1155 ft, 9.062 °N 83.581 °W

      Buenos Aires Canton, CR

      Osa Station80°
      Updated: 3:47 PM CST on September 10, 2026 (GMT -6)
      3 minutes ago
      86°
      73°
      80
      Feels Like 90
      Cloudy
      N
      8
      Gusts 17 mph
      Similar temperature is expected tomorrow
      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
        Thu 09/10
        Low 74°f
         78% Precip. / 0.04 in
        Showers early, then cloudy overnight. Low 74F. Winds ESE at 5 to 10 mph. Chance of rain 80%.
        Tomorrow
        Fri 09/11
        High 87°f
         86% Precip. / 0.41 in
        Thunderstorms. High 87F. Winds ESE at 10 to 15 mph. Chance of rain 90%.
        Tomorrow night
        Fri 09/11
        Low 74°f
         19% Precip. / 0 in
        Mostly cloudy skies. Low 74F. Winds light and variable.
        Hourly Forecast
        Now
        79°
        4PM
        71%
        79°
        5PM
        71%
        78°
        5:36PM
        Sunset
        6PM
        64%
        77°
        7PM
        77°
        8PM
        77°
        9PM
        76°
        10PM
        76°
        11PM
        76°
        12AM
        76°
        1AM
        75°
        2AM
        75°
        3AM
        75°
        4AM
        75°
        5AM
        75°
        5:23AM
        Sunrise
        6AM
        76°
        7AM
        77°
        8AM
        80°
        9AM
        83°
        10AM
        85°
        11AM
        56%
        86°
        12PM
        82%
        87°
        1PM
        80%
        86°
        2PM
        87%
        84°
        3PM
        81%
        83°
        Precipitation
        87%
        Rain likely to end around 6:45 PM
        Pollen
        None
        Air Quality
        23
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 29.79 in
        2. Visibility 6 miles
        3. Clouds Cloudy
        4. Dew Point73°F
        5. Humidity 83%
        6. Rainfall 0.85 in
        7. Snow Depth 0 in
         MRBA Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 86°F -°F -°F
        4. Low 73°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.04 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 87°F -°F -°F
        4. Low 73°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:23 AM 5:36 PM
        3. Civil Twilight 5:02 AM 5:57 PM
        4. Nautical Twilight 4:38 AM 6:22PM
        5. Astronomical Twilight 4:13 AM 6:46 PM
        1. Length of Visible Light 12h 54m
        2. Length of Day 12h 12m
        3. Tomorrow will be 30 seconds shorter
        1. Moon 4:51 AM 5:22 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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