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

30°F

-1°C

Humidity 85%
Wind Speed Calm
Barometer 30.48 in (1033.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 12 Jan 7:53 am CST
Extended Forecast for

Prosper TX

  • Today

    Today: Mostly cloudy, with a high near 63. Calm wind becoming southwest around 5 mph in the morning.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South southwest wind around 5 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 65. Southwest wind 5 to 10 mph.

    High: 65 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. South southwest wind 5 to 10 mph becoming northwest after midnight.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. North northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 60 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. North northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37. South wind 5 to 10 mph becoming east northeast after midnight.

    Low: 37 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 57. Northeast wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 63. Calm wind becoming southwest around 5 mph in the morning.
Tonight
Mostly cloudy, with a low around 40. South southwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 65. Southwest wind 5 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 43. South southwest wind 5 to 10 mph becoming northwest after midnight.
Wednesday
Mostly sunny, with a high near 60. North northwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
Mostly clear, with a low around 29. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 54. North northwest wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
Clear, with a low around 37. South wind 5 to 10 mph becoming east northeast after midnight.
Friday
Mostly sunny, with a high near 57. Northeast wind 10 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 33.
Saturday
Sunny, with a high near 54.
Saturday Night
Clear, with a low around 32.
Sunday
Sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Prosper TX
 33.23°N 96.81°W (Elev. 646 ft)
Last Update:
5:06 am CST Jan 12, 2026
Forecast Valid:
8am CST Jan 12, 2026-6pm CST Jan 18, 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