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      Elev 1432 ft, 14.973 °N 91.896 °W

      San Marcos, GT

      Sat, Oct 3, 2026
      Saturday
      Sat 10/03
      High 78°f
      86% Precip. / 0.53 in
      Rain showers in the morning with numerous thunderstorms developing in the afternoon. High 78F. Winds WSW at 5 to 10 mph. Chance of rain 90%.
      Saturday night
      Sat 10/03
      Low 66°f
      72% Precip. / 0.34 in
      Cloudy with showers. Low 66F. Winds light and variable. Chance of rain 70%.
      Sunrise 5:57 AM
      Sunset 5:55 PM
      Moonrise -
      Moonset 12:47 PM
      Last Quarter, 53% visible
      Hourly Forecast
      12AM
      46%
      68°
      1AM
      43%
      68°
      2AM
      39%
      68°
      3AM
      34%
      67°
      4AM
      34%
      67°
      5AM
      33%
      67°
      5:57AM
      Sunrise
      6AM
      35%
      67°
      7AM
      36%
      68°
      8AM
      37%
      71°
      9AM
      46%
      74°
      10AM
      50%
      76°
      11AM
      51%
      77°
      12PM
      86%
      78°
      1PM
      86%
      77°
      2PM
      85%
      77°
      3PM
      85%
      76°
      4PM
      84%
      75°
      5PM
      84%
      73°
      5:55PM
      Sunset
      6PM
      74%
      72°
      7PM
      73%
      71°
      8PM
      58%
      70°
      9PM
      57%
      70°
      10PM
      57%
      69°
      11PM
      56%
      69°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Showers
      68°F 70°F 46% 0.02in 81% 66°F 90% 0 mph NE 29.9in
      1:00 am
      Showers
      68°F 70°F 43% 0.02in 86% 65°F 90% 1 mph NW 29.89in
      2:00 am
      Showers
      68°F 69°F 39% 0.01in 92% 65°F 90% 1 mph ESE 29.86in
      3:00 am
      Few Showers
      67°F 69°F 34% 0.01in 92% 64°F 90% 1 mph NE 29.85in
      4:00 am
      Few Showers
      67°F 69°F 34% 0.01in 90% 64°F 89% 1 mph NE 29.85in
      5:00 am
      Few Showers
      67°F 68°F 33% 0.01in 89% 64°F 89% 1 mph SSW 29.85in
      6:00 am
      Showers
      67°F 68°F 35% 0.01in 87% 64°F 90% 1 mph SE 29.86in
      7:00 am
      Showers
      68°F 70°F 36% 0.01in 86% 65°F 91% 0 mph ENE 29.88in
      8:00 am
      Showers
      71°F 73°F 37% 0.01in 85% 67°F 88% 1 mph NNE 29.89in
      9:00 am
      Showers
      74°F 76°F 46% 0.02in 84% 68°F 83% 2 mph N 29.9in
      10:00 am
      Showers
      76°F 80°F 50% 0.02in 87% 69°F 79% 3 mph WSW 29.9in
      11:00 am
      Showers
      77°F 81°F 51% 0.03in 90% 69°F 76% 4 mph WSW 29.89in
      12:00 pm
      Thunderstorms
      78°F 82°F 86% 0.06in 100% 70°F 77% 6 mph SW 29.87in
      1:00 pm
      Thunderstorms
      77°F 81°F 86% 0.06in 100% 69°F 76% 6 mph SW 29.86in
      2:00 pm
      Thunderstorms
      77°F 81°F 85% 0.07in 100% 69°F 77% 7 mph SW 29.83in
      3:00 pm
      Thunderstorms
      76°F 80°F 85% 0.08in 100% 69°F 79% 7 mph SW 29.82in
      4:00 pm
      Thunderstorms
      75°F 76°F 84% 0.07in 100% 68°F 81% 5 mph SW 29.82in
      5:00 pm
      Thunderstorms
      73°F 75°F 84% 0.06in 100% 68°F 86% 5 mph W 29.83in
      6:00 pm
      Rain
      72°F 74°F 74% 0.03in 100% 68°F 88% 2 mph SW 29.85in
      7:00 pm
      Rain
      71°F 73°F 73% 0.03in 100% 67°F 88% 1 mph NE 29.86in
      8:00 pm
      Showers
      70°F 72°F 58% 0.03in 95% 67°F 90% 1 mph NNE 29.88in
      9:00 pm
      Showers
      70°F 71°F 57% 0.03in 95% 66°F 90% 1 mph NNE 29.89in
      10:00 pm
      Showers
      69°F 71°F 57% 0.03in 94% 66°F 90% 1 mph NNE 29.9in
      11:00 pm
      Showers
      69°F 71°F 56% 0.02in 94% 66°F 89% 1 mph NE 29.9in
      Additional Conditions
      1. Pressure 29.9 in
      2. Visibility 0.92 miles
      3. Clouds Cloudy
      4. Dew Point68°F
      5. Humidity 96%
      6. Rainfall 1.04 in
      7. Snow Depth 0 in
      MGSM Station History
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 78°F -°F -°F
      4. Low 65°F -°F -°F
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for
      1. Forecast Average Record
      2. Temperature
      3. High 80°F -°F -°F
      4. Low 66°F -°F -°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 5:57 AM 5:59 PM
      3. Civil Twilight 5:35 AM 6:20 PM
      4. Nautical Twilight 5:10 AM 6:45PM
      5. Astronomical Twilight 4:45 AM 7:10 PM
      1. Length of Visible Light 12h 44m
      2. Length of Day 12h 1m
      3. Tomorrow will be 50 seconds shorter
      1. Moon 7:26 PM 7:37 AM
      2. Waning Gibbous93% 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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      Glossary