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      Elev 4671 ft, 9.532 °S 77.072 °W

      San Marcos, PE

      San Marcos Station34°
      Updated: 1:39 AM GMT-05:00 on September 9, 2026 (GMT -5)
      2 minutes ago
      54°
      36°
      34
      Feels Like 34
      Cloudy
      N
      4
      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
        Tonight
        Tue 09/08
        Low 36°f
         6% Precip. / 0 in
        Overcast. Low 36F. Winds light and variable.
        Tomorrow
        Wed 09/09
        High 54°f
         72% Precip. / 0.07 in
        Cloudy with rain developing later in the day. High 54F. Winds NE at 5 to 10 mph. Chance of rain 70%.
        Tomorrow night
        Wed 09/09
        Low 36°f
         48% Precip. / 0.01 in
        Showers in the evening, then cloudy overnight. Low 36F. Winds light and variable. Chance of rain 50%.
        Hourly Forecast
        Now
        33°
        2AM
        33°
        3AM
        33°
        4AM
        32°
        5AM
        32°
        6AM
        32°
        6:05AM
        Sunrise
        7AM
        33°
        8AM
        36°
        9AM
        45°
        10AM
        48°
        11AM
        50°
        12PM
        52°
        1PM
        53°
        2PM
        53°
        3PM
        36%
        52°
        4PM
        45%
        50°
        5PM
        73%
        47°
        6PM
        66%
        45°
        6:05PM
        Sunset
        7PM
        48%
        43°
        8PM
        34%
        42°
        9PM
        41°
        10PM
        40°
        11PM
        40°
        12AM
        40°
        1AM
        40°
        Precipitation
        73%
        Pollen
        None
        Air Quality
        57
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.06 in
        2. Visibility 4 miles
        3. Clouds Cloudy
        4. Dew Point31°F
        5. Humidity 90%
        6. Rainfall 0.04 in
        7. Snow Depth 0 in
         SPHZ Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 54°F -°F -°F
        4. Low 36°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 53°F -°F -°F
        4. Low 36°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:05 AM 6:05 PM
        3. Civil Twilight 5:44 AM 6:26 PM
        4. Nautical Twilight 5:20 AM 6:50PM
        5. Astronomical Twilight 4:55 AM 7:15 PM
        1. Length of Visible Light 12h 41m
        2. Length of Day 11h 59m
        3. Tomorrow will be 30 seconds longer
        1. Moon 4:51 AM 4:57 PM
        2. Waning Crescent3% of the Moon is Illuminated
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Precipitation
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