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

77°F

25°C

Humidity 42%
Wind Speed S 9 mph
Barometer 29.60 in (1002.3 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 25 Feb 3:53 pm CST
Extended Forecast for

Prosper TX

  • Tonight

    Tonight: Partly cloudy, with a low around 54. North northwest wind around 5 mph becoming east southeast after midnight.

    Low: 54 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, then gradually becoming sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 78 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. North northeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. East southeast wind around 5 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. East southeast wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers. Partly cloudy, with a low around 60. South wind around 10 mph.

    Low: 60 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers. Partly cloudy, with a low around 54. South wind 10 to 15 mph.

    Low: 54 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 54. North northwest wind around 5 mph becoming east southeast after midnight.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 78. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 50. North northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 78. East southeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 54. East southeast wind around 5 mph.
Saturday
Sunny, with a high near 82. South wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 60. South wind around 10 mph.
Sunday
Mostly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54. South wind 10 to 15 mph.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
A 30 percent chance of showers and thunderstorms. Cloudy, with a high near 72.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
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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:
12:26 pm CST Feb 25, 2026
Forecast Valid:
4pm CST Feb 25, 2026-6pm CST Mar 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation