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      Elev 1577 ft, 9.675 °N 84.018 °W

      San Marcos, CR

      San Marcos Station60°
      Updated: 11:16 PM CST on September 19, 2026 (GMT -6)
      7 minutes ago
      75°
      61°
      60
      Feels Like 60
      Cloudy
      N
      5
      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
        Sat 09/19
        Low 61°f
         51% Precip. / 0.01 in
        Cloudy with showers. Low 61F. Winds E at 5 to 10 mph. Chance of rain 50%.
        Tomorrow
        Sun 09/20
        High 71°f
         91% Precip. / 0.78 in
        Thunderstorms. High 71F. Winds SE at 5 to 10 mph. Chance of rain 90%.
        Tomorrow night
        Sun 09/20
        Low 62°f
         31% Precip. / 0.04 in
        Cloudy during the evening. A few showers developing late. Low 62F. Winds light and variable. Chance of rain 30%.
        Hourly Forecast
        Now
        63°
        12AM
        39%
        63°
        1AM
        38%
        63°
        2AM
        32%
        63°
        3AM
        62°
        4AM
        62°
        5AM
        62°
        5:25AM
        Sunrise
        6AM
        62°
        7AM
        65°
        8AM
        67°
        9AM
        35%
        69°
        10AM
        49%
        71°
        11AM
        60%
        71°
        12PM
        91%
        71°
        1PM
        90%
        71°
        2PM
        88%
        69°
        3PM
        81%
        67°
        4PM
        64%
        67°
        5PM
        63%
        66°
        5:33PM
        Sunset
        6PM
        53%
        65°
        7PM
        40%
        65°
        8PM
        64°
        9PM
        64°
        10PM
        63°
        11PM
        63°
        Precipitation
        91%
        Rain likely to end around 2:15 AM
        Pollen
        Ragweed Pollen
        Low
        Air Quality
        13
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.97 in
        2. Visibility 6 miles
        3. Clouds Cloudy
        4. Dew Point59°F
        5. Humidity 87%
        6. Rainfall 0.71 in
        7. Snow Depth 0 in
         MRQP Station History
        Almanac for September 20, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 75°F 86°F -°F
        4. Low 61°F 62°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.01 in 0.39 in -
        7. Snow 0 in - in -
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 71°F 86°F -°F
        4. Low 61°F 62°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:25 AM 5:33 PM
        3. Civil Twilight 5:04 AM 5:54 PM
        4. Nautical Twilight 4:40 AM 6:18PM
        5. Astronomical Twilight 4:15 AM 6:42 PM
        1. Length of Visible Light 12h 49m
        2. Length of Day 12h 7m
        3. Tomorrow will be 32 seconds shorter
        1. Moon 1:20 PM 12:15 AM
        2. Waxing Gibbous68% 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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        Health
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