McKinney, Texas Weather
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Weather Forecast for McKinney, Texas : Collin County
Issued: 12:21 pm CDT Oct 23, 2025 Latitude: 33.1976164 Longitude: -96.6152693 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Friday Saturday Sunday Monday Tuesday Wednesday
10% chance of  on This Afternoon 40% chance of thunderstorms on Tonight 60% chance of thunderstorms on Friday 90% chance of thunderstorms on Saturday 10% chance of thunderstorms on Sunday Mostly Sunny on Monday Mostly Sunny on Tuesday Sunny on Wednesday
High: 81°F Low: 63°F High: 79°F High: 75°F High: 75°F High: 77°F High: 73°F High: 67°F
Low: 63°F Low: 60°F Low: 58°F Low: 57°F Low: 51°F  
Partly Sunny Thunderstorms Thunderstorms Thunderstorms Thunderstorms Mostly Sunny Mostly Sunny Sunny
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Current Conditions at
MCKINNEY - (KTKI)
75°
Cloudy
as of 1:53 PM CDST
Rel. Humidity: 64%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
8 MPH
150° Southeast
Cloud Level(s): Broken at 5000ft, Solid Overcast at 5500ft
Current Conditions at
DALLAS/ADDISON - (KADS)
75°
Mostly Cloudy
as of 1:54 PM CDST
Rel. Humidity: 57%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.08 in.
Flight Rule: VFR
Wind Data
10 MPH
140° Southeast
Cloud Level(s): Scattered at 3000ft, Broken at 5500ft
Current Conditions at
DALLAS - (KDAL)
77°
Mostly Cloudy
as of 1:53 PM CDST
Rel. Humidity: 53%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
10 MPH
120° Southeast
Cloud Level(s): Scattered at 3300ft, Broken at 6500ft, Broken at 25000ft
10% chance of  This Afternoon This Afternoon... A 10 percent chance of showers before 4pm. Partly sunny, with a high near 81. South southeast wind around 10 mph.

40% chance of thunderstorms Tonight Tonight... A 40 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 63. Southeast wind around 10 mph.

60% chance of thunderstorms Friday Friday... A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Mostly cloudy, with a high near 79. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

90% chance of thunderstorms Friday Night Friday Night... Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 63. Southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

90% chance of thunderstorms Saturday Saturday... Showers and possibly a thunderstorm before 7am, then showers between 7am and 10am, then showers and possibly a thunderstorm after 10am. High near 75. South wind around 10 mph. Chance of precipitation is 90%.

70% chance of thunderstorms Saturday Night Saturday Night... Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 60. Southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%.

10% chance of thunderstorms Sunday Sunday... A slight chance of thunderstorms before 7am. Partly sunny, with a high near 75. Northeast wind around 5 mph becoming west southwest in the afternoon. Chance of precipitation is 10%.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 58. East southeast wind around 5 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 77. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

20% chance of rain Monday Night Monday Night... A 20 percent chance of showers. Mostly clear, with a low around 57.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 73.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 51.

Sunny on Wednesday Wednesday... Sunny, with a high near 67.

Sun Almanac for McKinney, Texas
Sunrise: 07:38 AM
Sunset: 6:44 PM
Civil Sunrise:07:12 AM
Civil Sunset: 7:09 PM
Nautical Sunrise: 06:44 AM
Nautical Sunset: 7:38 PM
Astro Sunrise: 06:15 AM
Astro Sunset: 8:07 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.