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      Elev 4671 ft, 9.532 °S 77.072 °W

      San Marcos, PE

      San Marcos Station40°
      Updated: 12:27 PM GMT-05:00 on September 27, 2026 (GMT -5)
      just now
      51°
      35°
      40
      Feels Like 40
      Mostly Cloudy
      N
      11
      Gusts 21 mph
      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 09/27
        High 51°f
         44% Precip. / 0 in
        Cloudy with occasional rain showers. High 51F. Winds ENE at 5 to 10 mph. Chance of rain 40%.
        Tonight
        Sun 09/27
        Low 35°f
         23% Precip. / 0 in
        Cloudy. Low near 35F. Winds light and variable.
        Tomorrow
        Mon 09/28
        High 56°f36°f
         33% Precip. / 0.02 in
        Cloudy in the morning followed by isolated thunderstorms during the afternoon. High 56F. Winds ENE at 5 to 10 mph. Chance of rain 30%.
        Hourly Forecast
        Now
        46°
        1PM
        33%
        46°
        2PM
        46°
        3PM
        47°
        4PM
        46°
        5PM
        44°
        6PM
        41°
        6:03PM
        Sunset
        7PM
        40°
        8PM
        42°
        9PM
        41°
        10PM
        40°
        11PM
        39°
        12AM
        38°
        1AM
        37°
        2AM
        37°
        3AM
        36°
        4AM
        36°
        5AM
        36°
        5:53AM
        Sunrise
        6AM
        36°
        7AM
        38°
        8AM
        42°
        9AM
        45°
        10AM
        48°
        11AM
        50°
        12PM
        53°
        Precipitation
        33%
        Rain ending around 1:30 PM
        Pollen
        None
        Air Quality
        54
        Moderate
        UV Index
        11
        Extreme
        Additional Conditions
        1. Pressure 29.98 in
        2. Visibility 5 miles
        3. Clouds Mostly Cloudy
        4. Dew Point27°F
        5. Humidity 47%
        6. Rainfall 0.01 in
        7. Snow Depth 0 in
         SPHZ Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 51°F -°F -°F
        4. Low 35°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 56°F -°F -°F
        4. Low 35°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:54 AM 6:03 PM
        3. Civil Twilight 5:33 AM 6:24 PM
        4. Nautical Twilight 5:09 AM 6:49PM
        5. Astronomical Twilight 4:45 AM 7:13 PM
        1. Length of Visible Light 12h 51m
        2. Length of Day 12h 9m
        3. Tomorrow will be 32 seconds longer
        1. Moon 7:03 PM 6:23 AM
        2. Waning Gibbous97% of the Moon is Illuminated
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
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