Tuesday
Mostly sunny
High:
88°F
Mostly sunny, with a high near 88. Light northwest wind increasing to 5 to 10 mph in the morning.
McKinney, TX Weather - Extended Forecast
Tuesday Night
Mostly clear
Overnight low:
65°F
Mostly clear, with a low around 65. North wind around 5 mph.
Wednesday
Sunny
High:
88°F
Sunny, with a high near 88. North northwest wind around 5 mph.
Wednesday Night
Mostly clear
Overnight low:
66°F
Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny
High:
89°F
Thursday Night
Mostly clear
Overnight low:
65°F
Friday
Mostly sunny
High:
89°F
Friday Night
Partly cloudy
Overnight low:
67°F
Saturday
Slight chance of thunderstorms
High:
89°F