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McKinney, Texas Weather Forecast
McKinney, Texas Weather
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Weather Forecast for McKinney, Texas : Collin County
Issued: 7:51 am CST Dec 31, 2025 Latitude: 33.1976164 Longitude: -96.6152693 View on Google Maps

MouseOver for Detail Forecast
Today Tonight New Year's Day Friday Saturday Sunday Monday Tuesday
Sunny on Today Mostly Clear on Tonight Increasing Clouds on New Year's Day Sunny on Friday Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Mostly Sunny on Tuesday
High: 65°F Low: 40°F High: 67°F High: 70°F High: 64°F High: 68°F High: 74°F High: 73°F
Low: 53°F Low: 42°F Low: 42°F Low: 50°F Low: 52°F  
Sunny Mostly Clear Increasing Clouds Sunny Sunny Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
MCKINNEY - (KTKI)
52°
Clear
as of 9:53 AM CST
Rel. Humidity: 43%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.27 in.
Flight Rule: VFR
Wind Data
6 MPH
310° Northwest
Cloud Level(s): Clear
Current Conditions at
DALLAS/ADDISON - (KADS)
48°
Clear
as of 9:50 AM CST
Rel. Humidity: 42%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.29 in.
Flight Rule: VFR
Wind Data
5 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
DALLAS - (KDAL)
48°
Mostly Clear
as of 9:53 AM CST
Rel. Humidity: 42%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Few at 25000ft
Sunny on Today Today... Sunny, with a high near 65. West southwest wind around 5 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 40. South southwest wind around 5 mph becoming calm.

Increasing Clouds on New Year's Day New Year's Day... Increasing clouds, with a high near 67. South southwest wind 5 to 10 mph.

Mostly Clear on Thursday Night Thursday Night... Mostly cloudy, then gradually becoming mostly clear, with a low around 53. South wind 5 to 10 mph.

Sunny on Friday Friday... Sunny, with a high near 70. Southwest wind 5 to 10 mph becoming north northwest in the afternoon.

Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 42. North wind around 5 mph.

Sunny on Saturday Saturday... Sunny, with a high near 64. North wind around 5 mph.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 42. North wind around 5 mph becoming calm.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 68. Light east southeast wind becoming south 5 to 10 mph in the morning.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 50.

Partly Sunny on Monday Monday... Partly sunny, with a high near 74.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 52.

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

Sun Almanac for McKinney, Texas
Sunrise: 07:30 AM
Sunset: 5:30 PM
Civil Sunrise:07:02 AM
Civil Sunset: 5:57 PM
Nautical Sunrise: 06:32 AM
Nautical Sunset: 6:28 PM
Astro Sunrise: 06:01 AM
Astro Sunset: 6:58 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.