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      Elev 4671 ft, 9.532 °S 77.072 °W

      San Marcos, PE

      San Marcos Station42°
      Updated: 6:54 AM GMT-05:00 on October 4, 2026 (GMT -5)
      4 minutes ago
      59°
      35°
      42
      Feels Like 42
      Mostly Cloudy
      N
      4
      Similar 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 59°f
         65% Precip. / 0.2 in
        Partly cloudy skies this morning will give way to cloudy skies and rain during the afternoon. High 59F. Winds ENE at 5 to 10 mph. Chance of rain 70%. Rainfall near a quarter of an inch.
        Tonight
        Sun 10/04
        Low 33°f
         24% Precip. / 0 in
        Some clouds. Low 33F. Winds light and variable.
        Tomorrow
        Mon 10/05
        High 58°f34°f
         73% Precip. / 0.1 in
        Partly cloudy skies during the morning hours will give way to cloudy skies and rain in the afternoon. High 58F. Winds E at 5 to 10 mph. Chance of rain 70%.
        Hourly Forecast
        Now
        34°
        7AM
        34°
        8AM
        38°
        9AM
        43°
        10AM
        48°
        11AM
        51°
        12PM
        53°
        1PM
        35%
        54°
        2PM
        61%
        56°
        3PM
        64%
        55°
        4PM
        65%
        52°
        5PM
        63%
        49°
        6PM
        55%
        47°
        6:03PM
        Sunset
        7PM
        44°
        8PM
        42°
        9PM
        41°
        10PM
        39°
        11PM
        38°
        12AM
        38°
        1AM
        36°
        2AM
        36°
        3AM
        35°
        4AM
        34°
        5AM
        34°
        5:49AM
        Sunrise
        6AM
        34°
        Precipitation
        65%
        Rain possible after 1 PM
        Pollen
        None
        Air Quality
        42
        Good
        UV Index
        1
        Low
        Additional Conditions
        1. Pressure 30.07 in
        2. Visibility 10 miles
        3. Clouds Mostly Cloudy
        4. Dew Point26°F
        5. Humidity 73%
        6. Rainfall 0.56 in
        7. Snow Depth 0 in
         SPHZ Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 59°F -°F -°F
        4. Low 35°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.2 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 58°F -°F -°F
        4. Low 33°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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