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      Elev 499 ft, 33.184 °N 95.228 °W

      Mount Vernon, TX

      Mount Vernon Station97°
      Updated: 1:52 PM CDT on August 31, 2026 (GMT -5)
      5 minutes ago
      99°
      77°
      97
      Feels Like 101
      Fair
      N
      5
      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 09/01
        High 99°f
        1% Precip. / 0 in
        Plenty of sunshine. Very hot. High 99F. Winds ESE at 5 to 10 mph.
        Tonight
        Tue 09/01
        Low 73°f
        4% Precip. / 0 in
        Clear skies. Low 73F. Winds ESE at 5 to 10 mph.
        Tomorrow
        Wed 09/02
        High 99°f74°f
        4% Precip. / 0 in
        Generally sunny despite a few afternoon clouds. Hot. High 99F. Winds ESE at 10 to 15 mph.
        Hourly Forecast
        Now
        97°
        2PM
        98°
        3PM
        98°
        4PM
        99°
        5PM
        99°
        6PM
        98°
        7PM
        96°
        7:46PM
        Sunset
        8PM
        92°
        9PM
        88°
        10PM
        85°
        11PM
        84°
        12AM
        82°
        1AM
        81°
        2AM
        80°
        3AM
        78°
        4AM
        77°
        5AM
        76°
        6AM
        75°
        6:55AM
        Sunrise
        7AM
        74°
        8AM
        77°
        9AM
        83°
        10AM
        87°
        11AM
        91°
        12PM
        93°
        1PM
        95°
        Precipitation
        4%
        Pollen
        Ragweed Pollen
        Moderate
        Air Quality
        56
        Moderate
        UV Index
        9
        Very High
        Additional Conditions
        1. Pressure 29.98 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point64°F
        5. Humidity 33%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KOSA Station History
        Almanac for August 31, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 99°F 92°F 104°F 2011
        4. Low 77°F 70°F 56°F 1988
        5. Rain/Snow Depth
        6. Precipitation 0 in 3.6 in -
        7. Snow 0 in - in -
        Almanac for September 1, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 99°F 92°F 106°F
        4. Low 77°F 69°F 56°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:54 AM 7:47 PM
        3. Civil Twilight 6:29 AM 8:12 PM
        4. Nautical Twilight 5:59 AM 8:42PM
        5. Astronomical Twilight 5:28 AM 9:12 PM
        1. Length of Visible Light 13h 43m
        2. Length of Day 12h 52m
        3. Tomorrow will be 1 minute 58 seconds shorter
        1. Moon 9:34 PM 10:21 AM
        2. Waning Gibbous83% of the Moon is Illuminated
        Sep 4
        Waning Half Last Qtr
        Sep 10
        New Moon
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Precipitation
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