McKinney, Texas Weather
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Weather Forecast for McKinney, Texas : Collin County
Issued: 5:24 pm CDT Aug 22, 2025 Latitude: 33.1976164 Longitude: -96.6152693 View on Google Maps

MouseOver for Detail Forecast
Tonight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Mostly Clear on Tonight Sunny on Saturday Sunny on Sunday Mostly Sunny on Monday 60% chance of thunderstorms on Tuesday 40% chance of thunderstorms on Wednesday 30% chance of thunderstorms on Thursday 50% chance of thunderstorms on Friday
Low: 74°F High: 97°F High: 96°F High: 95°F High: 85°F High: 84°F High: 89°F High: 87°F
Low: 74°F Low: 75°F Low: 70°F Low: 68°F Low: 68°F Low: 70°F  
Mostly Clear Sunny Sunny Mostly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms
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Current Conditions at
MCKINNEY - (KTKI)
90°
Partly Cloudy
as of 7:53 PM CDST
Rel. Humidity: 40%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
3 MPH
150° Southeast
Cloud Level(s): Scattered at 7500ft
Current Conditions at
DALLAS/ADDISON - (KADS)
91°
Mostly Clear
as of 7:47 PM CDST
Rel. Humidity: 36%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
8 MPH
120° Southeast
Cloud Level(s): Few at 7500ft
Current Conditions at
DALLAS - (KDAL)
91°
Feels like 92°F
Mostly Clear
as of 7:53 PM CDST
Rel. Humidity: 38%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.92 in.
Flight Rule: VFR
Wind Data
7 MPH
110° East
Cloud Level(s): Few at 8000ft, Few at 11000ft, Few at 25000ft
Current Conditions at
MESQUITE - (KHQZ)
88°
Feels like 90°F
Clear
as of 7:50 PM CDST
Rel. Humidity: 48%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 74. East southeast wind around 5 mph becoming calm in the evening.
Sunny on Saturday Saturday... Sunny, with a high near 97. Calm wind becoming north northeast around 5 mph in the afternoon.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 74. Northeast wind around 5 mph becoming calm in the evening.
Sunny on Sunday Sunday... Sunny, with a high near 96. Heat index values as high as 101. North northeast wind around 5 mph.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 75. East wind 5 to 10 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.
30% chance of thunderstorms Monday Night Monday Night... A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. East wind 5 to 10 mph.
60% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. East wind 5 to 10 mph. Chance of precipitation is 60%.
40% chance of thunderstorms Tuesday Night Tuesday Night... A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. East northeast wind 5 to 10 mph. Chance of precipitation is 40%.
40% chance of thunderstorms Wednesday Wednesday... A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 40%.
20% chance of thunderstorms Wednesday Night Wednesday Night... A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
30% chance of thunderstorms Thursday Thursday... A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.
50% chance of thunderstorms Friday Friday... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.
Current Radar Image


Sun Almanac for McKinney, Texas
Sunrise: 06:55 AM
Sunset: 8:04 PM
Civil Sunrise:06:29 AM
Civil Sunset: 8:30 PM
Nautical Sunrise: 05:58 AM
Nautical Sunset: 9:00 PM
Astro Sunrise: 05:27 AM
Astro Sunset: 9:32 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.