National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

76°F

24°C

Humidity 42%
Wind Speed S 10 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 19 Mar 12:53 pm CDT
Extended Forecast for

Prosper TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. South southwest wind around 10 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 58. South wind around 5 mph.

    Low: 58 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 91. Southwest wind around 5 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 63. South southeast wind around 5 mph.

    Low: 63 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 93. South southwest wind 5 to 10 mph.

    High: 93 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. South wind around 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. South southwest wind around 10 mph.
Tonight
Clear, with a low around 58. South wind around 5 mph.
Friday
Sunny, with a high near 91. Southwest wind around 5 mph.
Friday Night
Clear, with a low around 63. South southeast wind around 5 mph.
Saturday
Sunny, with a high near 93. South southwest wind 5 to 10 mph.
Saturday Night
Clear, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 95. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 59. South wind around 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prosper TX
 33.25°N 96.78°W (Elev. 732 ft)
Last Update:
6:06 am CDT Mar 19, 2026
Forecast Valid:
1pm CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation