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      Special Weather Statement
      until 7:00 PM CDT
      Elev 27 ft, 26.150 °N 97.913 °W

      Mercedes, TX

      Mercedes Station79°
      Updated: 6:19 AM CDT on September 21, 2026 (GMT -5)
      8 minutes ago
      97°
      78°
      79
      Feels Like 83
      Clear
      N
      1
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Tue 09/22
        High 97°f
         41% Precip. / 0.07 in
        Partly cloudy with afternoon showers or thunderstorms. High 97F. ENE winds at 5 to 10 mph, increasing to 10 to 20 mph. Chance of rain 40%.
        Tonight
        Tue 09/22
        Low 77°f
         11% Precip. / 0 in
        Clear to partly cloudy. Low 77F. E winds at 10 to 20 mph, decreasing to less than 5 mph.
        Tomorrow
        Wed 09/23
        High 97°f77°f
         17% Precip. / 0 in
        Partly cloudy skies. A stray shower or thunderstorm is possible. High 97F. Winds ENE at 10 to 20 mph.
        Hourly Forecast
        Now
        79°
        7AM
        79°
        7:19AM
        Sunrise
        8AM
        80°
        9AM
        83°
        10AM
        86°
        11AM
        90°
        12PM
        93°
        1PM
        94°
        2PM
        96°
        3PM
        42%
        96°
        4PM
        41%
        95°
        5PM
        93°
        6PM
        93°
        7PM
        90°
        7:28PM
        Sunset
        8PM
        87°
        9PM
        85°
        10PM
        84°
        11PM
        83°
        12AM
        83°
        1AM
        81°
        2AM
        81°
        3AM
        80°
        4AM
        79°
        5AM
        79°
        6AM
        78°
        Precipitation
        42%
        Pollen
        None
        Air Quality
        21
        Good
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 29.86 in
        2. Visibility 10 miles
        3. Clouds Clear
        4. Dew Point74°F
        5. Humidity 86%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KTXW Station History
        Almanac for September 21, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 97°F 91°F 102°F 1947
        4. Low 78°F 72°F 58°F 1991
        5. Rain/Snow Depth
        6. Precipitation 0.07 in - in -
        7. Snow 0 in - in -
        Almanac for September 22, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 97°F 91°F 100°F
        4. Low 78°F 72°F 56°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:19 AM 7:29 PM
        3. Civil Twilight 6:56 AM 7:52 PM
        4. Nautical Twilight 6:29 AM 8:18PM
        5. Astronomical Twilight 6:02 AM 8:45 PM
        1. Length of Visible Light 12h 55m
        2. Length of Day 12h 9m
        3. Tomorrow will be 1 minute 32 seconds shorter
        1. Moon 4:35 PM 2:30 AM
        2. Waxing Gibbous77% of the Moon is Illuminated
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Oct 18
        Waxing Half First Qtr
        Precipitation
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