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      Elev 1432 ft, 14.973 °N 91.896 °W

      San Marcos, GT

      Mon, Oct 12, 2026
      Tomorrow
      Mon 10/12
      High 80°f
      90% Precip. / 0.43 in
      Thunderstorms. Hazy. High around 80F. Winds light and variable. Chance of rain 90%.
      Tomorrow night
      Mon 10/12
      Low 66°f
      24% Precip. / 0 in
      Cloudy skies early will become partly cloudy later at night. Hazy. Low 66F. Winds light and variable.
      Sunrise 5:58 AM
      Sunset 5:49 PM
      Moonrise 7:36 AM
      Moonset 7:11 PM
      Waxing Crescent, 3% visible
      Hourly Forecast
      12AM
      69°
      1AM
      68°
      2AM
      68°
      3AM
      68°
      4AM
      68°
      5AM
      68°
      5:58AM
      Sunrise
      6AM
      68°
      7AM
      69°
      8AM
      72°
      9AM
      76°
      10AM
      47%
      78°
      11AM
      65%
      79°
      12PM
      91%
      79°
      1PM
      90%
      79°
      2PM
      69%
      79°
      3PM
      51%
      78°
      4PM
      40%
      76°
      5PM
      75°
      5:49PM
      Sunset
      6PM
      74°
      7PM
      38%
      72°
      8PM
      71°
      9PM
      70°
      10PM
      69°
      11PM
      69°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Mostly Cloudy
      69°F 70°F 18% 0in 77% 65°F 87% 2 mph NNE 29.96in
      1:00 am
      Partly Cloudy
      68°F 70°F 17% 0in 58% 65°F 88% 2 mph NNW 29.94in
      2:00 am
      Mostly Cloudy
      68°F 69°F 6% 0in 62% 64°F 88% 2 mph ENE 29.92in
      3:00 am
      Partly Cloudy
      68°F 69°F 4% 0in 54% 63°F 87% 3 mph NE 29.91in
      4:00 am
      Partly Cloudy
      68°F 69°F 4% 0in 57% 64°F 87% 3 mph NNE 29.9in
      5:00 am
      Mostly Cloudy
      68°F 69°F 4% 0in 79% 64°F 87% 3 mph SSW 29.91in
      6:00 am
      Mostly Cloudy
      68°F 69°F 6% 0in 65% 63°F 86% 3 mph ESE 29.93in
      7:00 am
      Cloudy
      69°F 70°F 6% 0in 80% 65°F 88% 3 mph NE 29.94in
      8:00 am
      Mostly Cloudy
      72°F 74°F 8% 0in 67% 67°F 85% 2 mph NNE 29.94in
      9:00 am
      Mostly Cloudy
      76°F 80°F 18% 0in 73% 69°F 78% 1 mph NNE 29.94in
      10:00 am
      Showers
      78°F 82°F 47% 0.05in 86% 69°F 76% 3 mph W 29.95in
      11:00 am
      Thunderstorms
      79°F 83°F 65% 0.08in 100% 70°F 76% 4 mph SW 29.95in
      12:00 pm
      Thunderstorms
      79°F 83°F 91% 0.08in 100% 70°F 76% 5 mph SW 29.93in
      1:00 pm
      Thunderstorms
      79°F 84°F 90% 0.07in 100% 71°F 75% 5 mph SW 29.92in
      2:00 pm
      Thunderstorms
      79°F 84°F 69% 0.1in 100% 70°F 74% 6 mph SW 29.9in
      3:00 pm
      Scattered Thunderstorms
      78°F 82°F 51% 0.04in 95% 70°F 77% 6 mph SW 29.88in
      4:00 pm
      Scattered Thunderstorms
      76°F 80°F 40% 0.01in 95% 70°F 82% 5 mph WSW 29.87in
      5:00 pm
      Cloudy
      75°F 79°F 24% 0in 96% 70°F 86% 4 mph W 29.88in
      6:00 pm
      Cloudy
      74°F 76°F 20% 0in 95% 69°F 86% 3 mph N 29.89in
      7:00 pm
      Showers
      72°F 74°F 38% 0.01in 91% 68°F 87% 1 mph NNE 29.91in
      8:00 pm
      Cloudy
      71°F 73°F 20% 0in 86% 67°F 87% 2 mph NNE 29.94in
      9:00 pm
      Cloudy
      70°F 72°F 23% 0in 82% 66°F 87% 2 mph NE 29.95in
      10:00 pm
      Cloudy
      69°F 71°F 22% 0in 84% 66°F 88% 2 mph NE 29.96in
      11:00 pm
      Cloudy
      69°F 70°F 17% 0in 81% 65°F 87% 2 mph NE 29.96in
      Additional Conditions
      1. Pressure 29.89 in
      2. Visibility 1.9 miles
      3. Clouds Cloudy
      4. Dew Point68°F
      5. Humidity 86%
      6. Rainfall 0.05 in
      7. Snow Depth 0 in
      MGSM Station History
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 79°F -°F -°F
      4. Low 65°F -°F -°F
      5. Rain/Snow Depth
      6. Precipitation 0.1 in - in -
      7. Snow 0 in - in -
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 80°F -°F -°F
      4. Low 67°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
      Station Location
      Temp
      Windchill
      Heat Index
      Dew Point
      Humidity
      Wind
      Precip.
      Elev.
      Updated
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      Level Access
      Glossary