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      Elev 4671 ft, 9.532 °S 77.072 °W

      San Marcos, PE

      San Marcos Station38°
      Updated: 6:05 AM GMT-05:00 on October 4, 2026 (GMT -5)
      10 minutes ago
      57°
      33°
      38
      Feels Like 38
      Mostly Cloudy
      N
      4
      Lower temperature is expected today
      Wundermap
      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
        Sun 10/04
        High 57°f
         65% Precip. / 0.18 in
        Partly cloudy skies this morning will give way to cloudy skies and rain during the afternoon. High 57F. Winds ENE at 10 to 15 mph. Chance of rain 70%.
        Tonight
        Sun 10/04
        Low 31°f
         11% Precip. / 0 in
        Partly cloudy early with increasing clouds overnight. Low 31F. Winds light and variable.
        Tomorrow
        Mon 10/05
        High 57°f32°f
         69% Precip. / 0.1 in
        Partly cloudy skies during the morning hours will give way to cloudy skies and rain in the afternoon. High 57F. Winds ENE at 10 to 15 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        31°
        7AM
        35°
        8AM
        39°
        9AM
        43°
        10AM
        48°
        11AM
        51°
        12PM
        53°
        1PM
        39%
        54°
        2PM
        59%
        55°
        3PM
        61%
        54°
        4PM
        65%
        51°
        5PM
        63%
        48°
        6PM
        52%
        46°
        6:03PM
        Sunset
        7PM
        43°
        8PM
        41°
        9PM
        40°
        10PM
        38°
        11PM
        37°
        12AM
        36°
        1AM
        35°
        2AM
        34°
        3AM
        33°
        4AM
        33°
        5AM
        32°
        5:49AM
        Sunrise
        6AM
        33°
        Precipitation
        65%
        Pollen
        None
        Air Quality
        42
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.05 in
        2. Visibility 9 miles
        3. Clouds Cloudy
        4. Dew Point25°F
        5. Humidity 79%
        6. Rainfall 0.56 in
        7. Snow Depth 0 in
         SPHZ Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 57°F -°F -°F
        4. Low 33°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.18 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 57°F -°F -°F
        4. Low 31°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:50 AM 6:03 PM
        3. Civil Twilight 5:29 AM 6:24 PM
        4. Nautical Twilight 5:05 AM 6:48PM
        5. Astronomical Twilight 4:40 AM 7:13 PM
        1. Length of Visible Light 12h 54m
        2. Length of Day 12h 12m
        3. Tomorrow will be 32 seconds longer
        1. Moon 1:04 AM 12:56 PM
        2. Waning Crescent42% of the Moon is Illuminated
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
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