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      Elev 236 ft, 16.734 °N 99.129 °W

      San Marcos, MX

      Updated: 10:39 AM CST on October 9, 2026 (GMT -6)
      2 minutes ago
      81°
      74°
      79
      Feels Like 82
      Cloudy
      N
      5
      Same temperature is expected today
      Wundermap

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      Wundermap
      50
      50
      575
      90
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      7
      0 mph
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      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Sat 10/10
        High 81°f
        100% Precip. / 0.35 in
        Thunderstorms likely. High 81F. Winds ESE at 5 to 10 mph. Chance of rain 100%.
        Tonight
        Sat 10/10
        Low 74°f
        66% Precip. / 0.31 in
        Considerable cloudiness with occasional rain showers. Low 74F. Winds light and variable. Chance of rain 70%.
        Tomorrow
        Sun 10/11
        High 87°f74°f
        24% Precip. / 0 in
        Considerable cloudiness. High 87F. Winds SE at 5 to 10 mph.
        Hourly Forecast
        Now
        80°
        11AM
        73%
        81°
        12PM
        100%
        80°
        1PM
        98%
        79°
        2PM
        100%
        80°
        3PM
        98%
        80°
        4PM
        77%
        80°
        5PM
        57%
        79°
        6PM
        53%
        78°
        6:19PM
        Sunset
        7PM
        67%
        77°
        8PM
        43%
        77°
        9PM
        41%
        77°
        10PM
        55%
        76°
        11PM
        54%
        76°
        12AM
        48%
        76°
        1AM
        58%
        76°
        2AM
        46%
        75°
        3AM
        45%
        75°
        4AM
        35%
        75°
        5AM
        32%
        75°
        6AM
        75°
        6:28AM
        Sunrise
        7AM
        75°
        8AM
        78°
        9AM
        81°
        10AM
        84°
        Additional Conditions
        1. Pressure 29.89 in
        2. Visibility 6 miles
        3. Clouds Cloudy
        4. Dew Point77°F
        5. Humidity 90%
        6. Rainfall 4.95 in
        7. Snow Depth 0 in
        MMAA Station History
        Almanac for October 9, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 81°F 92°F 95°F 2021
        4. Low 74°F 75°F 70°F 2023
        5. Rain/Snow Depth
        6. Precipitation 0.66 in 0.22 in -
        7. Snow 0 in - in -
        Almanac for October 10, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 87°F 92°F 97°F
        4. Low 74°F 75°F 61°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:29 AM 6:20 PM
        3. Civil Twilight 6:07 AM 6:41 PM
        4. Nautical Twilight 5:42 AM 7:07PM
        5. Astronomical Twilight 5:17 AM 7:32 PM
        1. Length of Visible Light 12h 34m
        2. Length of Day 11h 51m
        3. Tomorrow will be 54 seconds shorter
        1. Moon 5:32 AM 5:41 PM
        2. Waning Crescent1% of the Moon is Illuminated
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Oct 25
        Full Moon
        Nov 1
        Waning Half Last Qtr
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