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McKinney, Texas Weather Forecast
McKinney, Texas Weather
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Click for Flood Watch for McKinney, Texas
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Weather Forecast for McKinney, Texas : Collin County
Issued: 5:06 am CST Nov 23, 2025 Latitude: 33.1976164 Longitude: -96.6152693 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thanksgiving Day Friday Saturday
Mostly Sunny on Today 90% chance of thunderstorms on Tonight 100% chance of thunderstorms on Monday Sunny on Tuesday Sunny on Wednesday Sunny on Thanksgiving Day Partly Sunny on Friday 50% chance of rain on Saturday
High: 66°F Low: 56°F High: 69°F High: 68°F High: 57°F High: 59°F High: 61°F High: 65°F
Low: 51°F Low: 43°F Low: 37°F Low: 43°F Low: 53°F  
Mostly Sunny Thunderstorms Thunderstorms Sunny Sunny Sunny Partly Sunny Rain
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Current Conditions at
MCKINNEY - (KTKI)
45°
Clear
as of 7:53 AM CST
Rel. Humidity: 100%
Dew Point: 45°F
Visibility: 8 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DALLAS/ADDISON - (KADS)
50°
Clear
as of 7:47 AM CST
Rel. Humidity: 81%
Dew Point: 45°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
5 MPH
070° East
Cloud Level(s): Clear
Current Conditions at
DALLAS - (KDAL)
50°
Partly Cloudy
as of 7:53 AM CST
Rel. Humidity: 87%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 30.21 in.
Flight Rule: VFR
Wind Data
5 MPH
060° Northeast
Cloud Level(s): Few at 8500ft, Scattered at 25000ft
Mostly Sunny on Today Today... Mostly sunny, with a high near 66. Calm wind becoming east southeast around 5 mph in the afternoon.
90% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 56. East wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
100% chance of thunderstorms Monday Monday... Showers and possibly a thunderstorm. High near 69. East southeast wind 5 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 51. South southwest wind around 5 mph becoming northwest after midnight.
Sunny on Tuesday Tuesday... Sunny, with a high near 68. Northwest wind around 5 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 43. North wind 5 to 10 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 57. North wind 5 to 10 mph.
Mostly Clear on Wednesday Night Wednesday Night... Mostly clear, with a low around 37. North wind around 5 mph becoming calm in the evening.
Sunny on Thanksgiving Day Thanksgiving Day... Sunny, with a high near 59. Calm wind becoming south southeast around 5 mph in the morning.
Mostly Clear on Thursday Night Thursday Night... Mostly clear, with a low around 43.
Partly Sunny on Friday Friday... Partly sunny, with a high near 61.
20% chance of thunderstorms Friday Night Friday Night... A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
50% chance of rain Saturday Saturday... A 50 percent chance of showers. Mostly cloudy, with a high near 65.
Sun Almanac for McKinney, Texas
Sunrise: 07:05 AM
Sunset: 5:21 PM
Civil Sunrise:06:39 AM
Civil Sunset: 5:47 PM
Nautical Sunrise: 06:08 AM
Nautical Sunset: 6:18 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:47 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.