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      Elev 1432 ft, 14.973 °N 91.896 °W

      San Marcos, GT

      Sat, Oct 17, 2026
      Saturday
      Sat 10/17
      High 77°f
      86% Precip. / 0.54 in
      Showers and thunderstorms. High 77F. Winds W at 5 to 10 mph. Chance of rain 90%.
      Saturday night
      Sat 10/17
      Low 64°f
      84% Precip. / 0.22 in
      Showers likely and possibly a thunderstorm during the evening, then some lingering showers still possible overnight. Low 64F. Winds light and variable. Chance of rain 80%.
      Sunrise 5:59 AM
      Sunset 5:46 PM
      Moonrise 11:57 AM
      Moonset 11:19 PM
      Waxing Crescent, 41% visible
      Hourly Forecast
      12AM
      39%
      67°
      1AM
      38%
      67°
      2AM
      38%
      67°
      3AM
      66°
      4AM
      65°
      5AM
      65°
      5:59AM
      Sunrise
      6AM
      65°
      7AM
      66°
      8AM
      70°
      9AM
      47%
      74°
      10AM
      56%
      75°
      11AM
      61%
      77°
      12PM
      87%
      76°
      1PM
      86%
      76°
      2PM
      86%
      76°
      3PM
      86%
      75°
      4PM
      85%
      74°
      5PM
      85%
      73°
      5:46PM
      Sunset
      6PM
      80%
      71°
      7PM
      84%
      70°
      8PM
      68%
      69°
      9PM
      62%
      69°
      10PM
      62%
      68°
      11PM
      60%
      68°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Showers
      67°F 69°F 39% 0.01in 93% 64°F 90% 1 mph NNE 29.94in
      1:00 am
      Showers
      67°F 68°F 38% 0.01in 93% 64°F 91% 1 mph NW 29.93in
      2:00 am
      Showers
      67°F 68°F 38% 0.01in 91% 64°F 90% 1 mph E 29.91in
      3:00 am
      Cloudy
      66°F 67°F 24% 0in 90% 63°F 91% 1 mph ENE 29.9in
      4:00 am
      Cloudy
      65°F 66°F 24% 0in 87% 62°F 90% 1 mph NE 29.9in
      5:00 am
      Cloudy
      65°F 65°F 23% 0in 82% 62°F 91% 1 mph NE 29.9in
      6:00 am
      Mostly Cloudy
      65°F 66°F 16% 0in 77% 62°F 91% 2 mph NE 29.91in
      7:00 am
      Mostly Cloudy
      66°F 68°F 15% 0in 72% 64°F 91% 1 mph NE 29.91in
      8:00 am
      Mostly Cloudy
      70°F 71°F 14% 0in 66% 66°F 86% 1 mph NNE 29.92in
      9:00 am
      Showers
      74°F 75°F 47% 0.02in 61% 67°F 80% 2 mph NNW 29.93in
      10:00 am
      Showers
      75°F 79°F 56% 0.02in 65% 68°F 77% 2 mph W 29.92in
      11:00 am
      Light Rain
      77°F 80°F 61% 0.02in 80% 68°F 75% 4 mph WSW 29.91in
      12:00 pm
      Thunderstorms
      76°F 80°F 87% 0.06in 95% 68°F 76% 5 mph SW 29.9in
      1:00 pm
      Thunderstorms
      76°F 80°F 86% 0.07in 99% 68°F 78% 6 mph SW 29.89in
      2:00 pm
      Thunderstorms
      76°F 80°F 86% 0.07in 100% 69°F 79% 7 mph SW 29.86in
      3:00 pm
      Thunderstorms
      75°F 77°F 86% 0.07in 94% 68°F 79% 7 mph SW 29.85in
      4:00 pm
      Thunderstorms
      74°F 76°F 85% 0.07in 94% 68°F 82% 5 mph WSW 29.85in
      5:00 pm
      Thunderstorms
      73°F 74°F 85% 0.07in 94% 68°F 84% 4 mph WSW 29.86in
      6:00 pm
      Thunderstorms
      71°F 73°F 80% 0.06in 94% 67°F 87% 2 mph N 29.88in
      7:00 pm
      Thunderstorms
      70°F 72°F 84% 0.05in 93% 67°F 89% 1 mph NE 29.9in
      8:00 pm
      Thunderstorms
      69°F 71°F 68% 0.04in 92% 66°F 90% 1 mph NNE 29.92in
      9:00 pm
      Rain
      69°F 70°F 62% 0.04in 100% 66°F 91% 1 mph NNE 29.94in
      10:00 pm
      Rain
      68°F 70°F 62% 0.03in 100% 66°F 90% 1 mph NNE 29.94in
      11:00 pm
      Light Rain
      68°F 69°F 60% 0.02in 88% 65°F 90% 2 mph NNE 29.93in
      Additional Conditions
      1. Pressure 29.9 in
      2. Visibility 2.8 miles
      3. Clouds Cloudy
      4. Dew Point67°F
      5. Humidity 90%
      6. Rainfall 0.04 in
      7. Snow Depth 0 in
      MGSM Station History
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 76°F -°F -°F
      4. Low 62°F -°F -°F
      5. Rain/Snow Depth
      6. Precipitation 0.02 in - in -
      7. Snow 0 in - in -
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 79°F -°F -°F
      4. Low 64°F -°F -°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 5:58 AM 5:49 PM
      3. Civil Twilight 5:37 AM 6:10 PM
      4. Nautical Twilight 5:12 AM 6:35PM
      5. Astronomical Twilight 4:47 AM 7:00 PM
      1. Length of Visible Light 12h 33m
      2. Length of Day 11h 50m
      3. Tomorrow will be 48 seconds shorter
      1. Moon 7:36 AM 7:11 PM
      2. Waxing Crescent3% 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.
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      Glossary