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      Elev 4671 ft, 9.532 °S 77.072 °W

      San Marcos, PE

      San Marcos Station38°
      Updated: 8:00 PM GMT-05:00 on October 22, 2026 (GMT -5)
      17 seconds ago
      53°
      34°
      38
      Feels Like 35
      Light Rain
      N
      6
      Lower temperature is expected tomorrow
      Wundermap

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       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
        Tonight
        Thu 10/22
        Low 36°f
         30% Precip. / 0 in
        Showers early, then cloudy overnight. Low 36F. Winds light and variable. Chance of rain 30%.
        Tomorrow
        Fri 10/23
        High 50°f
         71% Precip. / 0.11 in
        Overcast with showers at times. High around 50F. Winds ENE at 5 to 10 mph. Chance of rain 70%.
        Tomorrow night
        Fri 10/23
        Low 36°f
         33% Precip. / 0.01 in
        A few showers early with overcast skies late. Low 36F. Winds light and variable. Chance of rain 30%.
        Hourly Forecast
        Now
        35°
        9PM
        35°
        10PM
        35°
        11PM
        35°
        12AM
        35°
        1AM
        35°
        2AM
        34°
        3AM
        34°
        4AM
        37°
        5AM
        37°
        5:41AM
        Sunrise
        6AM
        37°
        7AM
        38°
        8AM
        41°
        9AM
        42°
        10AM
        34%
        45°
        11AM
        32%
        46°
        12PM
        48°
        1PM
        48°
        2PM
        49°
        3PM
        68%
        48°
        4PM
        71%
        46°
        5PM
        59%
        45°
        6PM
        45%
        43°
        6:03PM
        Sunset
        7PM
        30%
        41°
        8PM
        34%
        40°
        Precipitation
        71%
        Rain ending around 8:30 PM
        Pollen
        None
        Air Quality
        35
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.06 in
        2. Visibility 6 miles
        3. Clouds Cloudy
        4. Dew Point34°F
        5. Humidity 93%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         SPHZ Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 53°F -°F -°F
        4. Low 34°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 50°F -°F -°F
        4. Low 36°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:41 AM 6:03 PM
        3. Civil Twilight 5:20 AM 6:25 PM
        4. Nautical Twilight 4:55 AM 6:50PM
        5. Astronomical Twilight 4:30 AM 7:15 PM
        1. Length of Visible Light 13h 4m
        2. Length of Day 12h 22m
        3. Tomorrow will be 30 seconds longer
        1. Moon 3:10 PM 2:54 AM
        2. Waxing Gibbous86% of the Moon is Illuminated
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
        Nov 17
        Waxing Half First Qtr
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