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      Elev 1432 ft, 14.973 °N 91.896 °W

      San Marcos, GT

      Thu, Oct 1, 2026
      Tomorrow
      Thu 10/01
      High 75°f62°f
      82% Precip. / 0.42 in
      Thunderstorms. High near 75F. Winds SW at 5 to 10 mph. Chance of rain 80%.
      Tomorrow night
      Thu 10/01
      Low 62°f
      24% Precip. / 0 in
      Cloudy. Hazy. Low 62F. Winds light and variable.
      Sunrise 5:57 AM
      Sunset 5:56 PM
      Moonrise 10:10 PM
      Moonset 10:44 AM
      Waning Gibbous, 65% visible
      Hourly Forecast
      12AM
      64°
      1AM
      64°
      2AM
      63°
      3AM
      63°
      4AM
      63°
      5AM
      63°
      5:57AM
      Sunrise
      6AM
      63°
      7AM
      64°
      8AM
      68°
      9AM
      71°
      10AM
      73°
      11AM
      31%
      75°
      12PM
      74%
      75°
      1PM
      82%
      74°
      2PM
      78%
      74°
      3PM
      70%
      73°
      4PM
      71%
      71°
      5PM
      70%
      70°
      5:56PM
      Sunset
      6PM
      59%
      69°
      7PM
      68°
      8PM
      66°
      9PM
      66°
      10PM
      65°
      11PM
      64°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Mostly Cloudy
      64°F 64°F 24% 0in 66% 62°F 91% 1 mph NNE 29.92in
      1:00 am
      Partly Cloudy
      64°F 64°F 24% 0in 59% 61°F 90% 1 mph NNW 29.89in
      2:00 am
      Mostly Cloudy
      63°F 63°F 24% 0in 67% 61°F 91% 1 mph E 29.87in
      3:00 am
      Cloudy
      63°F 63°F 24% 0in 81% 60°F 90% 1 mph NNE 29.85in
      4:00 am
      Mostly Cloudy
      63°F 63°F 10% 0in 77% 60°F 89% 1 mph NNE 29.85in
      5:00 am
      Mostly Cloudy
      63°F 63°F 10% 0in 75% 60°F 89% 1 mph SSW 29.85in
      6:00 am
      Partly Cloudy
      63°F 63°F 10% 0in 49% 60°F 89% 1 mph SE 29.85in
      7:00 am
      Partly Cloudy
      64°F 64°F 10% 0in 41% 61°F 91% 1 mph ENE 29.87in
      8:00 am
      Partly Cloudy
      68°F 69°F 11% 0in 38% 64°F 86% 2 mph NNE 29.87in
      9:00 am
      Partly Cloudy
      71°F 73°F 18% 0in 55% 64°F 78% 3 mph WNW 29.87in
      10:00 am
      Partly Cloudy
      73°F 74°F 24% 0in 44% 65°F 74% 5 mph WSW 29.87in
      11:00 am
      Isolated Thunderstorms
      75°F 76°F 31% 0.01in 78% 67°F 76% 6 mph SW 29.87in
      12:00 pm
      Thunderstorms
      75°F 76°F 74% 0.03in 86% 67°F 78% 6 mph SW 29.85in
      1:00 pm
      Thunderstorms
      74°F 76°F 82% 0.04in 93% 67°F 78% 6 mph SW 29.83in
      2:00 pm
      Thunderstorms
      74°F 75°F 78% 0.13in 96% 66°F 76% 6 mph SW 29.81in
      3:00 pm
      Thunderstorms
      73°F 74°F 70% 0.1in 95% 66°F 79% 6 mph SW 29.8in
      4:00 pm
      Thunderstorms
      71°F 72°F 71% 0.04in 83% 66°F 85% 5 mph SW 29.8in
      5:00 pm
      Rain
      70°F 71°F 70% 0.06in 100% 65°F 86% 4 mph SW 29.81in
      6:00 pm
      Showers
      69°F 70°F 59% 0.02in 89% 64°F 86% 3 mph S 29.83in
      7:00 pm
      Mostly Cloudy
      68°F 69°F 24% 0in 74% 63°F 87% 1 mph NE 29.84in
      8:00 pm
      Mostly Cloudy
      66°F 68°F 21% 0in 61% 63°F 89% 1 mph NE 29.87in
      9:00 pm
      Mostly Cloudy
      66°F 67°F 14% 0in 73% 62°F 88% 1 mph NE 29.89in
      10:00 pm
      Mostly Cloudy
      65°F 66°F 12% 0in 70% 62°F 90% 1 mph NE 29.91in
      11:00 pm
      Cloudy
      64°F 64°F 14% 0in 83% 62°F 90% 2 mph ENE 29.9in
      Additional Conditions
      1. Pressure 29.88 in
      2. Visibility 2.1 miles
      3. Clouds Cloudy
      4. Dew Point70°F
      5. Humidity 86%
      6. Rainfall 0.4 in
      7. Snow Depth 0 in
      MGSM Station History
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 74°F -°F -°F
      4. Low 62°F -°F -°F
      5. Rain/Snow Depth
      6. Precipitation 0.57 in - in -
      7. Snow 0 in - in -
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 75°F -°F -°F
      4. Low 62°F -°F -°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 5:57 AM 5:57 PM
      3. Civil Twilight 5:35 AM 6:18 PM
      4. Nautical Twilight 5:11 AM 6:43PM
      5. Astronomical Twilight 4:46 AM 7:08 PM
      1. Length of Visible Light 12h 43m
      2. Length of Day 12h 0m
      3. Tomorrow will be 49 seconds shorter
      1. Moon 9:10 PM 9:39 AM
      2. Waning Gibbous76% 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
      Nearby Weather Stations
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary