Saturday
Hot
High:
100°F
Mostly sunny and hot, with a high near 100. South wind around 10 mph.
McKinney, TX Weather - Extended Forecast
Saturday Night
Partly cloudy
Overnight low:
81°F
Partly cloudy, with a low around 81. South wind around 10 mph.
Sunday
Hot
High:
101°F
Sunny and hot, with a high near 101. South southwest wind around 10 mph.
Sunday Night
Clear
Overnight low:
81°F
Clear, with a low around 81. South wind 5 to 10 mph.
Monday
Hot
High:
102°F
Monday Night
Mostly clear
Overnight low:
82°F
Tuesday
Hot
High:
103°F
Tuesday Night
Mostly clear
Overnight low:
82°F
Wednesday
Hot
High:
103°F