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Current conditions at
McKinney - McKinney National Airport (KTKI)
Lat: 33.18°NLon: 96.59°WElev: 584ft.
Partly Cloudy
84°F
29°C
| Humidity | 61% |
| Wind Speed | S 8 mph |
| Barometer | 30.04 in (1016.7 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 19 Sep 9:53 am CDT |
Extended Forecast for
Mc Kinney TX
Today

High: 99 °F
Hot
Tonight

Low: 77 °F
Mostly Clear
Sunday
High: 100 °F
Mostly Sunny
then Slight
Chance
T-stormsSunday Night
Low: 75 °F
Slight Chance
T-storms then
Chance
T-stormsMonday

High: 96 °F
Chance
T-stormsMonday Night

Low: 71 °F
Partly Cloudy
Tuesday

High: 92 °F
Mostly Sunny
Tuesday Night

Low: 69 °F
Partly Cloudy
Wednesday

High: 92 °F
Sunny
Detailed Forecast
Today
Mostly sunny and hot, with a high near 99. Heat index values as high as 104. South southeast wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 77. South southeast wind around 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 100. Heat index values as high as 108. South wind 5 to 10 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 75. South wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 96. South southeast wind around 5 mph becoming north northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 71. North northeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 92. North northeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 69. North northeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 92. East northeast wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 92.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Mostly sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Mc Kinney TX
33.19°N 96.65°W (Elev. 545 ft)
33.19°N 96.65°W (Elev. 545 ft)
6:06 am CDT Sep 19, 2026
10am CDT Sep 19, 2026-6pm CDT Sep 25, 2026


