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McKinney, Texas Weather Forecast
McKinney, Texas Weather
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Weather Forecast for McKinney, Texas : Collin County
Issued: 5:07 pm CST Jan 21, 2026 Latitude: 33.1976164 Longitude: -96.6152693 View on Google Maps

MouseOver for Detail Forecast
Tonight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Cloudy on Tonight Mostly Cloudy on Thursday 90% chance of rain on Friday 100% chance of freezing rain on Saturday 20% chance of snow on Sunday Sunny on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday
Low: 40°F High: 59°F High: 34 °F High: 20 °F High: 21°F High: 29°F High: 37°F High: 40°F
Low: 42°F Low: 21°F Low: 11°F Low: 8 °F Low: 10°F Low: 19°F  
Cloudy Mostly Cloudy Rain Freezing Rain Snow Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
MCKINNEY - (KTKI)
52°
Cloudy
as of 8:53 PM CST
Rel. Humidity: 53%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
7 MPH
030° Northeast
Cloud Level(s): Solid Overcast at 5000ft
Current Conditions at
DALLAS/ADDISON - (KADS)
55°
Mostly Cloudy
as of 8:51 PM CST
Rel. Humidity: 43%
Dew Point: 34°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 13 MPH
040° Northeast
Cloud Level(s): Broken at 5000ft
Current Conditions at
DALLAS - (KDAL)
55°
Cloudy
as of 9:06 PM CST
Rel. Humidity: 47%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.19 in.
Flight Rule: MVFR
Wind Data
12 MPH
Gust: 20 MPH
050° Northeast
Cloud Level(s): Broken at 2500ft, Solid Overcast at 5500ft
Current Conditions at
MESQUITE - (KHQZ)
54°
Cloudy
as of 8:55 PM CST
Rel. Humidity: 81%
Dew Point: 48°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
3 MPH
010° North
Cloud Level(s): Scattered at 3200ft, Broken at 3800ft, Solid Overcast at 5000ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 40. North northeast wind around 5 mph.

Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 59. Northeast wind around 5 mph becoming east southeast in the afternoon.

40% chance of rain Thursday Night Thursday Night... A 40 percent chance of showers after midnight. Cloudy, with a low around 42. East wind 5 to 10 mph.

90% chance of rain Friday Friday... Showers. Temperature falling to around 34 by 5pm. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

100% chance of rain & sleet Friday Night Friday Night... Rain showers and freezing rain, possibly mixed with sleet before midnight, then sleet, possibly mixed with freezing rain. The sleet could be heavy at times. Low around 21. Northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

100% chance of freezing rain Saturday Saturday... Sleet, possibly mixed with freezing rain. The sleet could be heavy at times. Temperature falling to around 20 by 5pm. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

70% chance of freezing rain & snow Saturday Night Saturday Night... Snow showers and sleet likely, possibly mixed with freezing rain before midnight, then a chance of snow showers and sleet. Cloudy, with a low around 11. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

20% chance of snow Sunday Sunday... A 20 percent chance of snow showers before noon. Mostly cloudy and cold, with a high near 21. North northwest wind 10 to 15 mph, with gusts as high as 20 mph.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 8. North northwest wind 5 to 10 mph.

Sunny on Monday Monday... Sunny and cold, with a high near 29.

Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 10.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 37.

Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 19.

Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 40.

Current Radar Image


Sun Almanac for McKinney, Texas
Sunrise: 07:28 AM
Sunset: 5:48 PM
Civil Sunrise:07:01 AM
Civil Sunset: 6:14 PM
Nautical Sunrise: 06:31 AM
Nautical Sunset: 6:44 PM
Astro Sunrise: 06:02 AM
Astro Sunset: 7:14 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.