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      Elev 1432 ft, 14.973 °N 91.896 °W

      San Marcos, GT

      Sun, Oct 11, 2026
      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%.
      Sunrise 5:58 AM
      Sunset 5:49 PM
      Moonrise 6:44 AM
      Moonset 6:29 PM
      Waxing Crescent, 0% visible
      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°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      3:00 pm
      Thunderstorms
      73°F 73°F 87% 0.05in 88% 68°F 85% 7 mph SW 29.89in
      4:00 pm
      Thunderstorms
      72°F 72°F 76% 0.04in 100% 68°F 88% 5 mph WSW 29.9in
      5:00 pm
      Thunderstorms
      71°F 71°F 89% 0.01in 100% 68°F 91% 3 mph WSW 29.92in
      6:00 pm
      Thunderstorms
      71°F 71°F 85% 0in 91% 67°F 88% 2 mph NE 29.93in
      7:00 pm
      Thundershowers
      70°F 70°F 73% 0in 93% 66°F 88% 2 mph NE 29.94in
      8:00 pm
      Few Showers
      69°F 69°F 31% 0in 84% 65°F 87% 2 mph NNE 29.96in
      9:00 pm
      Mostly Cloudy
      68°F 68°F 9% 0in 75% 65°F 88% 2 mph NE 29.99in
      10:00 pm
      Mostly Cloudy
      63°F 63°F 21% 0in 71% 59°F 87% 3 mph NE 29.98in
      11:00 pm
      Mostly Cloudy
      62°F 62°F 21% 0in 74% 59°F 88% 4 mph NE 29.98in
      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
      Nearby Weather Stations
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      Elev.
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      Glossary