Friday
Mostly sunny
High:
80°F
Mostly sunny, with a high near 80. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
McKinney, TX Weather - Extended Forecast
Friday Night
Partly cloudy
Overnight low:
66°F
Partly cloudy, with a low around 66. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny
High:
85°F
Sunny, with a high near 85. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy
Overnight low:
45°F
Partly cloudy, with a low around 45. South wind 10 to 15 mph becoming north northeast in the evening. Winds could gust as high as 20 mph.
Sunday
Partly sunny
High:
55°F
Sunday Night
Mostly cloudy
Overnight low:
40°F
Monday
Showers likely
High:
50°F
Monday Night
Showers likely
Overnight low:
39°F
Tuesday
Showers likely
High:
50°F