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      Heat Advisory
      until 9:00 PM CDT
      +1 more alert
      Elev 670 ft, 33.166 °N 96.659 °W

      McKinney, TX

      Jacques Ln/Marquise Ct Station
      Updated: 10:20 AM CDT on August 26, 2026 (GMT -5)
      3 minutes ago
      99°
      80°
      93
      Feels Like 101
      Sunny
      N
      10
      Lower temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
      Today
      Thu 08/27
      High 99°f
      6% Precip. / 0 in
      Sunshine and a few clouds. Hot. High 99F. Winds NNW at 5 to 10 mph.
      Tonight
      Thu 08/27
      Low 75°f
      22% Precip. / 0 in
      Some clouds. A stray shower or thunderstorm is possible. Low around 75F. Winds NNE at 5 to 10 mph.
      Tomorrow
      Fri 08/28
      High 98°f74°f
      7% Precip. / 0 in
      Generally sunny despite a few afternoon clouds. Hot. High 98F. Winds NE at 10 to 15 mph.
      Hourly Forecast
      Now
      89°
      11AM
      91°
      12PM
      92°
      1PM
      95°
      2PM
      97°
      3PM
      97°
      4PM
      98°
      5PM
      97°
      6PM
      97°
      7PM
      95°
      7:59PM
      Sunset
      8PM
      91°
      9PM
      88°
      10PM
      86°
      11PM
      85°
      12AM
      83°
      1AM
      81°
      2AM
      80°
      3AM
      79°
      4AM
      78°
      5AM
      78°
      6AM
      77°
      6:57AM
      Sunrise
      7AM
      76°
      8AM
      78°
      9AM
      81°
      10AM
      85°
      Precipitation
      23%
      Pollen
      Ragweed Pollen
      Moderate
      Air Quality
      53
      Moderate
      UV Index
      5
      Moderate
      Additional Conditions
      1. Pressure 29.94 in
      2. Visibility 10 miles
      3. Clouds Clear
      4. Dew Point66°F
      5. Humidity 47%
      6. Rainfall 0 in
      7. Snow Depth 0 in
       KTKI Station History
      Almanac for August 26, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 99°F 93°F 108°F 2023
      4. Low 80°F 70°F 40°F 1989
      5. Rain/Snow Depth
      6. Precipitation 0 in - in -
      7. Snow 0 in - in -
      Almanac for August 27, 2026
      1. Forecast Average Record
      2. Temperature
      3. High 98°F 93°F 107°F
      4. Low 80°F 70°F 59°F
      Astronomy
      1. Sun Rise Set
      2. Actual Time 6:57 AM 7:59 PM
      3. Civil Twilight 6:31 AM 8:24 PM
      4. Nautical Twilight 6:01 AM 8:54PM
      5. Astronomical Twilight 5:29 AM 9:26 PM
      1. Length of Visible Light 13h 53m
      2. Length of Day 13h 2m
      3. Tomorrow will be 1 minute 55 seconds shorter
      1. Moon 7:19 PM 5:20 AM
      2. Waxing Gibbous98% of the Moon is Illuminated
      Aug 27
      Full Moon
      Sep 4
      Waning Half Last Qtr
      Sep 10
      New Moon
      Sep 18
      Waxing Half First Qtr
      Precipitation
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