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      Elev 1432 ft, 14.973 °N 91.896 °W

      San Marcos, GT

      Updated: 2:52 PM CST on October 11, 2026 (GMT -6)
      9 seconds ago
      71°
      58°
      70
      Feels Like 71
      Cloudy
      N
      7
      Similar temperature is expected today
      Wundermap

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      Wundermap
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      575
      90
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      7
      0 mph
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      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Sun 10/11
        High 68°f
        87% Precip. / 0.09 in
        Thunderstorms likely. High 68F. Winds WSW at 5 to 10 mph. Chance of rain 90%.
        Tonight
        Sun 10/11
        Low 60°f
        63% Precip. / 0 in
        Thunderstorms this evening, then skies turning partly cloudy after midnight. Low near 60F. Winds light and variable. Chance of rain 60%.
        Tomorrow
        Mon 10/12
        High 73°f59°f
        89% Precip. / 0.46 in
        Thunderstorms likely. Hazy. High 73F. Winds W at 5 to 10 mph. Chance of rain 90%.
        Hourly Forecast
        Now
        73°
        3PM
        87%
        73°
        4PM
        76%
        72°
        5PM
        89%
        71°
        5:50PM
        Sunset
        6PM
        85%
        71°
        7PM
        73%
        70°
        8PM
        31%
        69°
        9PM
        68°
        10PM
        63°
        11PM
        62°
        12AM
        62°
        1AM
        61°
        2AM
        61°
        3AM
        61°
        4AM
        61°
        5AM
        61°
        5:58AM
        Sunrise
        6AM
        61°
        7AM
        61°
        8AM
        65°
        9AM
        68°
        10AM
        44%
        70°
        11AM
        64%
        71°
        12PM
        90%
        71°
        1PM
        88%
        71°
        2PM
        70%
        72°
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 2.1 miles
        3. Clouds Cloudy
        4. Dew Point68°F
        5. Humidity 85%
        6. Rainfall 0.05 in
        7. Snow Depth 0 in
        MGSM Station History
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 71°F -°F -°F
        4. Low 58°F -°F -°F
        5. Rain/Snow Depth
        6. Precipitation 0.09 in - in -
        7. Snow 0 in - in -
        Almanac for
        1. Forecast Average Record
        2. Temperature
        3. High 73°F -°F -°F
        4. Low 60°F -°F -°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 5:58 AM 5:49 PM
        3. Civil Twilight 5:37 AM 6:11 PM
        4. Nautical Twilight 5:12 AM 6:36PM
        5. Astronomical Twilight 4:47 AM 7:01 PM
        1. Length of Visible Light 12h 34m
        2. Length of Day 11h 51m
        3. Tomorrow will be 48 seconds shorter
        1. Moon 6:44 AM 6:29 PM
        2. Waxing Crescent0% of the Moon is Illuminated
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
        Nov 9
        New Moon
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