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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 80°f
      76% Precip. / 0.34 in
      Rain showers in the morning with numerous thunderstorms developing in the afternoon. High near 80F. Winds light and variable. Chance of rain 80%.
      Saturday night
      Sat 10/17
      Low 67°f
      73% Precip. / 0.18 in
      A steady rain in the evening. Showers continuing late. Low 67F. Winds light and variable. Chance of rain 70%.
      Sunrise 5:59 AM
      Sunset 5:46 PM
      Moonrise 11:57 AM
      Moonset 11:19 PM
      Waxing Crescent, 41% visible
      Hourly Forecast
      12AM
      46%
      69°
      1AM
      50%
      69°
      2AM
      51%
      68°
      3AM
      37%
      68°
      4AM
      36%
      68°
      5AM
      35%
      68°
      5:59AM
      Sunrise
      6AM
      31%
      68°
      7AM
      33%
      68°
      8AM
      35%
      71°
      9AM
      38%
      75°
      10AM
      40%
      77°
      11AM
      42%
      78°
      12PM
      76%
      79°
      1PM
      76%
      79°
      2PM
      75%
      79°
      3PM
      75%
      77°
      4PM
      74%
      76°
      5PM
      74%
      75°
      5:46PM
      Sunset
      6PM
      74%
      73°
      7PM
      73%
      72°
      8PM
      66%
      71°
      9PM
      66%
      71°
      10PM
      66%
      70°
      11PM
      66%
      70°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Showers
      69°F 71°F 46% 0.02in 91% 67°F 91% 1 mph NE 29.94in
      1:00 am
      Showers
      69°F 71°F 50% 0.02in 90% 66°F 92% 1 mph NNW 29.92in
      2:00 am
      Showers
      68°F 70°F 51% 0.02in 90% 66°F 91% 1 mph ENE 29.9in
      3:00 am
      Showers
      68°F 69°F 37% 0.01in 89% 66°F 92% 1 mph ENE 29.89in
      4:00 am
      Showers
      68°F 70°F 36% 0.01in 87% 65°F 92% 1 mph NNE 29.89in
      5:00 am
      Showers
      68°F 69°F 35% 0.01in 85% 65°F 93% 1 mph NE 29.89in
      6:00 am
      Few Showers
      68°F 69°F 31% 0in 83% 65°F 91% 1 mph NE 29.9in
      7:00 am
      Few Showers
      68°F 70°F 33% 0.01in 79% 66°F 91% 2 mph NE 29.91in
      8:00 am
      Showers
      71°F 73°F 35% 0.01in 74% 67°F 87% 1 mph NNE 29.92in
      9:00 am
      Showers
      75°F 77°F 38% 0.01in 71% 68°F 80% 1 mph NNE 29.92in
      10:00 am
      Showers
      77°F 81°F 40% 0.01in 72% 69°F 76% 2 mph NNW 29.92in
      11:00 am
      Showers
      78°F 82°F 42% 0.01in 75% 69°F 74% 3 mph WSW 29.91in
      12:00 pm
      Thunderstorms
      79°F 83°F 76% 0.06in 78% 70°F 74% 4 mph WSW 29.9in
      1:00 pm
      Thunderstorms
      79°F 84°F 76% 0.05in 81% 70°F 74% 5 mph WSW 29.88in
      2:00 pm
      Thunderstorms
      79°F 83°F 75% 0.05in 85% 70°F 75% 5 mph SW 29.87in
      3:00 pm
      Thunderstorms
      77°F 82°F 75% 0.04in 88% 70°F 77% 6 mph SW 29.85in
      4:00 pm
      Thunderstorms
      76°F 80°F 74% 0.03in 90% 70°F 81% 4 mph WSW 29.85in
      5:00 pm
      Thunderstorms
      75°F 77°F 74% 0.03in 90% 70°F 84% 3 mph W 29.86in
      6:00 pm
      Thunderstorms
      73°F 76°F 74% 0.03in 89% 69°F 88% 2 mph NNE 29.87in
      7:00 pm
      Thunderstorms
      72°F 74°F 73% 0.03in 92% 69°F 89% 1 mph NNE 29.91in
      8:00 pm
      Rain
      71°F 73°F 66% 0.03in 100% 68°F 91% 1 mph NNE 29.93in
      9:00 pm
      Light Rain
      71°F 73°F 66% 0.02in 89% 68°F 90% 1 mph NE 29.95in
      10:00 pm
      Light Rain
      70°F 72°F 66% 0.02in 88% 67°F 90% 1 mph NE 29.96in
      11:00 pm
      Light Rain
      70°F 72°F 66% 0.02in 87% 67°F 90% 1 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.
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      Glossary