Saturday
Hot
High:
100°F
Sunny and hot, with a high near 100. Heat index values as high as 110. South wind 5 to 10 mph.
McKinney, TX Weather - Extended Forecast
Saturday Night
Mostly clear
Overnight low:
77°F
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Sunday
Hot
High:
99°F
Sunny and hot, with a high near 99. South wind 5 to 10 mph.
Sunday Night
Mostly clear
Overnight low:
77°F
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Monday
Hot
High:
99°F
Monday Night
Mostly clear
Overnight low:
78°F
Tuesday
Hot
High:
99°F
Tuesday Night
Mostly clear
Overnight low:
77°F
Wednesday
Sunny
High:
98°F
Wednesday Night
Mostly clear
Overnight low:
76°F
Thursday
Sunny
High:
97°F