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      Elev 1432 ft, 14.973 °N 91.896 °W

      San Marcos, GT

      Wed, Sep 30, 2026
      Wednesday
      Wed 09/30
      High 80°f
      99% Precip. / 0.63 in
      Thunderstorms likely. High around 80F. Winds WNW at 5 to 10 mph. Chance of rain 100%.
      Wednesday night
      Wed 09/30
      Low 66°f
      59% Precip. / 0.05 in
      Showers in the evening with some clearing overnight. Hazy. Low 66F. Winds light and variable. Chance of rain 60%.
      Sunrise 5:57 AM
      Sunset 5:57 PM
      Moonrise 9:10 PM
      Moonset 9:39 AM
      Waning Gibbous, 76% visible
      Hourly Forecast
      12AM
      69°
      1AM
      68°
      2AM
      68°
      3AM
      67°
      4AM
      67°
      5AM
      67°
      5:57AM
      Sunrise
      6AM
      67°
      7AM
      68°
      8AM
      73°
      9AM
      76°
      10AM
      78°
      11AM
      38%
      79°
      12PM
      97%
      79°
      1PM
      99%
      79°
      2PM
      99%
      78°
      3PM
      97%
      76°
      4PM
      97%
      75°
      5PM
      76%
      74°
      5:57PM
      Sunset
      6PM
      54%
      73°
      7PM
      59%
      71°
      8PM
      34%
      70°
      9PM
      37%
      70°
      10PM
      35%
      70°
      11PM
      32%
      69°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      12:00 am
      Cloudy
      69°F 71°F 19% 0in 92% 66°F 90% 0 mph NNE 29.93in
      1:00 am
      Cloudy
      68°F 70°F 18% 0in 86% 66°F 91% 1 mph NW 29.91in
      2:00 am
      Mostly Cloudy
      68°F 69°F 18% 0in 75% 65°F 90% 1 mph ENE 29.9in
      3:00 am
      Mostly Cloudy
      67°F 69°F 14% 0in 62% 64°F 90% 1 mph NE 29.89in
      4:00 am
      Partly Cloudy
      67°F 69°F 13% 0in 45% 65°F 91% 1 mph NNE 29.88in
      5:00 am
      Partly Cloudy
      67°F 68°F 10% 0in 41% 64°F 91% 1 mph SSW 29.88in
      6:00 am
      Partly Cloudy
      67°F 68°F 9% 0in 33% 64°F 91% 2 mph SE 29.88in
      7:00 am
      Partly Cloudy
      68°F 69°F 8% 0in 34% 66°F 93% 2 mph NE 29.9in
      8:00 am
      Mostly Sunny
      73°F 75°F 7% 0in 21% 68°F 87% 1 mph N 29.9in
      9:00 am
      Partly Cloudy
      76°F 80°F 18% 0in 34% 69°F 80% 3 mph WNW 29.91in
      10:00 am
      Partly Cloudy
      78°F 82°F 24% 0in 39% 69°F 75% 5 mph W 29.91in
      11:00 am
      Showers
      79°F 83°F 38% 0.01in 59% 70°F 74% 6 mph W 29.9in
      12:00 pm
      Thunderstorms
      79°F 84°F 97% 0.06in 81% 71°F 75% 7 mph WSW 29.88in
      1:00 pm
      Thunderstorms
      79°F 83°F 99% 0.11in 100% 71°F 76% 7 mph WSW 29.86in
      2:00 pm
      Thunderstorms
      78°F 83°F 99% 0.1in 100% 70°F 76% 7 mph WSW 29.84in
      3:00 pm
      Thunderstorms
      76°F 80°F 97% 0.12in 100% 69°F 79% 6 mph WSW 29.83in
      4:00 pm
      Thunderstorms
      75°F 79°F 97% 0.14in 100% 69°F 83% 5 mph WSW 29.82in
      5:00 pm
      Thunderstorms
      74°F 76°F 76% 0.07in 92% 69°F 86% 5 mph NW 29.83in
      6:00 pm
      Scattered Thunderstorms
      73°F 75°F 54% 0.02in 83% 68°F 86% 3 mph N 29.84in
      7:00 pm
      Scattered Thunderstorms
      71°F 73°F 59% 0.02in 86% 67°F 87% 2 mph NNE 29.86in
      8:00 pm
      Few Showers
      70°F 72°F 34% 0.01in 83% 67°F 88% 2 mph NNE 29.87in
      9:00 pm
      Showers
      70°F 72°F 37% 0.01in 87% 67°F 89% 2 mph NNE 29.89in
      10:00 pm
      Showers
      70°F 71°F 35% 0.01in 82% 66°F 89% 2 mph NNE 29.9in
      11:00 pm
      Few Showers
      69°F 71°F 32% 0.01in 82% 65°F 88% 1 mph NE 29.9in
      Additional Conditions
      1. Pressure 29.91 in
      2. Visibility 1.7 miles
      3. Clouds Cloudy
      4. Dew Point67°F
      5. Humidity 94%
      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 0.01 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.
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      Level Access
      Glossary