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      Elev 1432 ft, 14.973 °N 91.896 °W

      San Marcos, GT

      Thu, Oct 15, 2026
      Thursday
      Thu 10/15
      High 77°f
      97% Precip. / 0.51 in
      Cloudy early with thunderstorms developing later in the day. High 77F. Winds W at 5 to 10 mph. Chance of rain 100%.
      Thursday night
      Thu 10/15
      Low 64°f
      87% Precip. / 0.11 in
      Showers in the evening, then cloudy overnight. Low 64F. Winds light and variable. Chance of rain 90%.
      Sunrise 5:59 AM
      Sunset 5:47 PM
      Moonrise 10:17 AM
      Moonset 9:35 PM
      Waxing Crescent, 23% visible
      Hourly Forecast
      12AM
      30%
      67°
      1AM
      31%
      66°
      2AM
      66°
      3AM
      65°
      4AM
      65°
      5AM
      65°
      5:59AM
      Sunrise
      6AM
      65°
      7AM
      66°
      8AM
      69°
      9AM
      73°
      10AM
      75°
      11AM
      76°
      12PM
      63%
      77°
      1PM
      83%
      77°
      2PM
      96%
      77°
      3PM
      98%
      75°
      4PM
      97%
      73°
      5PM
      96%
      72°
      5:47PM
      Sunset
      6PM
      88%
      70°
      7PM
      87%
      70°
      8PM
      47%
      69°
      9PM
      49%
      68°
      10PM
      46%
      68°
      11PM
      45%
      68°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Few Showers
      67°F 68°F 30% 0.01in 91% 64°F 92% 1 mph NE 29.93in
      1:00 am
      Few Showers
      66°F 67°F 31% 0.01in 87% 63°F 92% 1 mph NNW 29.91in
      2:00 am
      Cloudy
      66°F 67°F 24% 0in 95% 63°F 92% 1 mph ENE 29.89in
      3:00 am
      Cloudy
      65°F 66°F 14% 0in 92% 62°F 90% 1 mph NE 29.89in
      4:00 am
      Cloudy
      65°F 66°F 14% 0in 89% 62°F 89% 2 mph NE 29.89in
      5:00 am
      Cloudy
      65°F 65°F 14% 0in 90% 62°F 90% 1 mph NE 29.89in
      6:00 am
      Cloudy
      65°F 65°F 12% 0in 87% 61°F 88% 1 mph NE 29.89in
      7:00 am
      Cloudy
      66°F 67°F 11% 0in 90% 62°F 89% 1 mph NE 29.91in
      8:00 am
      Cloudy
      69°F 70°F 11% 0in 85% 65°F 87% 1 mph NNE 29.92in
      9:00 am
      Mostly Cloudy
      73°F 74°F 16% 0in 66% 65°F 77% 2 mph NW 29.93in
      10:00 am
      Mostly Cloudy
      75°F 76°F 21% 0in 60% 66°F 74% 4 mph W 29.92in
      11:00 am
      Mostly Cloudy
      76°F 80°F 24% 0in 73% 67°F 72% 5 mph WSW 29.91in
      12:00 pm
      Thunderstorms
      77°F 80°F 63% 0.02in 77% 67°F 73% 6 mph SW 29.89in
      1:00 pm
      Thunderstorms
      77°F 80°F 83% 0.03in 92% 67°F 73% 7 mph SW 29.87in
      2:00 pm
      Thunderstorms
      77°F 80°F 96% 0.05in 96% 68°F 74% 8 mph SW 29.85in
      3:00 pm
      Thunderstorms
      75°F 77°F 98% 0.1in 100% 68°F 78% 7 mph SW 29.84in
      4:00 pm
      Thunderstorms
      73°F 75°F 97% 0.12in 100% 67°F 82% 6 mph WSW 29.84in
      5:00 pm
      Thunderstorms
      72°F 73°F 96% 0.13in 100% 67°F 87% 4 mph W 29.86in
      6:00 pm
      Rain
      70°F 72°F 88% 0.06in 100% 67°F 88% 2 mph N 29.87in
      7:00 pm
      Rain
      70°F 71°F 87% 0.05in 100% 66°F 90% 0 mph NNE 29.89in
      8:00 pm
      Showers
      69°F 70°F 47% 0.03in 93% 66°F 90% 1 mph NNE 29.91in
      9:00 pm
      Showers
      68°F 70°F 49% 0.01in 92% 66°F 90% 0 mph NE 29.92in
      10:00 pm
      Showers
      68°F 69°F 46% 0.01in 91% 65°F 90% 1 mph NNE 29.93in
      11:00 pm
      Showers
      68°F 69°F 45% 0.01in 89% 65°F 90% 1 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.
      Updated
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      Level Access
      Glossary