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      Elev 1155 ft, 9.062 °N 83.581 °W

      Osa Canton, CR

      Osa Station82°
      Updated: 10:06 AM CST on September 18, 2026 (GMT -6)
      4 minutes ago
      91°
      78°
      82
      Feels Like 95
      Partly Cloudy
      N
      10
      Gusts 20 mph
      Similar 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
        Fri 09/18
        High 91°f
         92% Precip. / 0.39 in
        Thunderstorms likely. High 91F. Winds SE at 5 to 10 mph. Chance of rain 90%.
        Tonight
        Fri 09/18
        Low 79°f
         33% Precip. / 0.05 in
        A few showers this evening with overcast skies overnight. Low 79F. Winds light and variable. Chance of rain 30%.
        Tomorrow
        Sat 09/19
        High 89°f78°f
         86% Precip. / 0.55 in
        Scattered thunderstorms in the morning, then mainly cloudy during the afternoon with thunderstorms likely. High 89F. Winds SE at 10 to 15 mph. Chance of rain 90%.
        Hourly Forecast
        Now
        89°
        11AM
        80%
        91°
        12PM
        92%
        91°
        1PM
        87%
        89°
        2PM
        75%
        88°
        3PM
        80%
        86°
        4PM
        82%
        84°
        5PM
        73%
        83°
        5:32PM
        Sunset
        6PM
        49%
        82°
        7PM
        33%
        81°
        8PM
        30%
        81°
        9PM
        80°
        10PM
        80°
        11PM
        80°
        12AM
        80°
        1AM
        80°
        2AM
        80°
        3AM
        80°
        4AM
        30%
        80°
        5AM
        80°
        5:23AM
        Sunrise
        6AM
        80°
        7AM
        82°
        8AM
        84°
        9AM
        86°
        10AM
        44%
        87°
        Precipitation
        92%
        Thunderstorms possible around 10:45 AM
        Pollen
        None
        Air Quality
        31
        Good
        UV Index
        11
        Extreme
        Additional Conditions
        1. Pressure 29.88 in
        2. Visibility 9 miles
        3. Clouds Partly Cloudy
        4. Dew Point78°F
        5. Humidity 69%
        6. Rainfall 0.17 in
        7. Snow Depth 0 in
         MRPM Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 91°F -°F -°F
        4. Low 78°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.44 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 89°F -°F -°F
        4. Low 78°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:23 AM 5:32 PM
        3. Civil Twilight 5:02 AM 5:53 PM
        4. Nautical Twilight 4:38 AM 6:17PM
        5. Astronomical Twilight 4:13 AM 6:41 PM
        1. Length of Visible Light 12h 50m
        2. Length of Day 12h 8m
        3. Tomorrow will be 29 seconds shorter
        1. Moon 11:37 AM 11:22 PM
        2. First Quarter48% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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