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      Elev 549 ft, 17.094 °N 99.713 °W

      San Marcos, MX

      Wed, Sep 30, 2026
      Today
      Thu 10/01
      High 90°f
      22% Precip. / 0 in
      Mostly cloudy skies. High near 90F. Winds W at 5 to 10 mph.
      Tonight
      Thu 10/01
      Low 75°f
      16% Precip. / 0 in
      Considerable cloudiness. Low around 75F. Winds light and variable.
      Sunrise 6:27 AM
      Sunset 6:27 PM
      Moonrise 9:37 PM
      Moonset 10:14 AM
      Waning Gibbous, 76% visible
      Hourly Forecast
      Now
      77°
      6:27AM
      Sunrise
      7AM
      77°
      8AM
      80°
      9AM
      83°
      10AM
      85°
      11AM
      88°
      12PM
      89°
      1PM
      89°
      2PM
      88°
      3PM
      87°
      4PM
      86°
      5PM
      85°
      6PM
      83°
      6:26PM
      Sunset
      7PM
      81°
      8PM
      80°
      9PM
      79°
      10PM
      79°
      11PM
      79°
      12AM
      78°
      1AM
      78°
      2AM
      77°
      3AM
      77°
      4AM
      76°
      5AM
      76°
      6AM
      76°
      Time Conditions Temp. Feels Like Precip Amount Cloud Cover Dew Point Humidity Wind Pressure
      7:00 am
      Mostly Cloudy
      77°F 77°F 3% 0in 66% 73°F 89% 5 mph NNW 29.86in
      8:00 am
      Mostly Cloudy
      80°F 87°F 3% 0in 66% 76°F 88% 5 mph NNW 29.89in
      9:00 am
      Mostly Cloudy
      83°F 90°F 2% 0in 79% 75°F 77% 4 mph NW 29.9in
      10:00 am
      Mostly Cloudy
      85°F 94°F 5% 0in 79% 75°F 70% 4 mph NW 29.9in
      11:00 am
      Mostly Cloudy
      88°F 98°F 10% 0in 70% 75°F 65% 5 mph W 29.89in
      12:00 pm
      Mostly Cloudy
      89°F 100°F 14% 0in 70% 76°F 64% 7 mph WSW 29.87in
      1:00 pm
      Mostly Cloudy
      89°F 101°F 14% 0in 71% 76°F 66% 8 mph WSW 29.84in
      2:00 pm
      Mostly Cloudy
      88°F 100°F 23% 0in 70% 76°F 68% 10 mph WSW 29.82in
      3:00 pm
      Mostly Cloudy
      87°F 99°F 22% 0in 72% 77°F 72% 10 mph WSW 29.8in
      4:00 pm
      Mostly Cloudy
      86°F 97°F 15% 0in 73% 77°F 74% 9 mph WSW 29.79in
      5:00 pm
      Mostly Cloudy
      85°F 96°F 11% 0in 72% 77°F 76% 9 mph W 29.78in
      6:00 pm
      Mostly Cloudy
      83°F 92°F 5% 0in 73% 76°F 80% 6 mph W 29.79in
      7:00 pm
      Mostly Cloudy
      81°F 89°F 5% 0in 74% 76°F 84% 6 mph W 29.81in
      8:00 pm
      Mostly Cloudy
      80°F 88°F 5% 0in 79% 76°F 88% 5 mph WNW 29.83in
      9:00 pm
      Mostly Cloudy
      79°F 87°F 5% 0in 77% 76°F 90% 4 mph WNW 29.85in
      10:00 pm
      Mostly Cloudy
      79°F 86°F 16% 0in 77% 76°F 91% 3 mph NW 29.86in
      11:00 pm
      Mostly Cloudy
      79°F 86°F 6% 0in 79% 76°F 93% 4 mph NW 29.86in
      Additional Conditions
      1. Pressure 29.85 in
      2. Visibility 9 miles
      3. Clouds Cloudy
      4. Dew Point73°F
      5. Humidity 90%
      6. Rainfall 0 in
      7. Snow Depth 0 in
      MMAA Station History
      Almanac for September 30, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 90°F 92°F 97°F 2023
      4. Low 75°F 75°F 71°F 2015
      5. Rain/Snow Depth
      6. Precipitation 0 in 0.41 in -
      7. Snow 0 in - in -
      Almanac for October 1, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 89°F 92°F 97°F
      4. Low 75°F 75°F 68°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:27 AM 6:27 PM
      3. Civil Twilight 6:05 AM 6:48 PM
      4. Nautical Twilight 5:40 AM 7:13PM
      5. Astronomical Twilight 5:15 AM 7:38 PM
      1. Length of Visible Light 12h 42m
      2. Length of Day 11h 59m
      3. Tomorrow will be 57 seconds shorter
      1. Moon 9:37 PM 10:14 AM
      2. Waning Gibbous76% 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
      Loading nearby stations…
      Level Access
      Glossary