McKinney, TX Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for McKinney, TX in one place.
Sunny, with a high near 99. Heat index values as high as 103. South southwest wind 10 to 15 mph.
Local Weather Overview
This forecast page for McKinney, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 10, 2026 8:00 AM CDT.
The active forecast window currently covers Jul 10 to Jul 16, 2026 for McKinney, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 10 to Jul 16, 2026
- Latest sync
- Jul 10, 2026 8:00 AM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in McKinney
Today looks like the warmest upcoming period in McKinney at 99 degrees F.
Monday Night is the coolest period ahead with temperatures near 74 degrees F.
The strongest winds are forecast for Today at about 10 to 15 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 10, 2026 8:00 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FWD
- Radar station
- KFWS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 80. Heat index values as high as 102. South wind 10 to 15 mph.
Sunny, with a high near 98. Heat index values as high as 104. South southwest wind around 10 mph.
Mostly clear, with a low around 80. Heat index values as high as 102. South wind 5 to 10 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 96, with temperatures falling to around 94 in the afternoon. South southwest wind around 5 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely. Mostly cloudy. Low around 75, with temperatures rising to around 77 overnight. South southeast wind 0 to 5 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly sunny, with a high near 92. East wind around 5 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 74. Southeast wind 0 to 10 mph. Chance of precipitation is 30%.
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. East southeast wind 5 to 10 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Mostly sunny, with a high near 94.
Mostly clear, with a low around 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 10
|
Sunny
|
99°F |
10 to 15 mph
SSW
|
|
Tonight
Jul 10
|
Mostly Clear
|
80°F |
10 to 15 mph
S
|
|
Saturday
Jul 11
|
Sunny
|
98°F |
10 mph
SSW
|
|
Saturday Night
Jul 11
|
Mostly Clear
|
80°F |
5 to 10 mph
S
|
|
Sunday
Jul 12
|
Mostly Sunny then Chance Showers And Thunderstorms
|
96°F |
5 mph
SSW
|
|
Sunday Night
Jul 12
|
Showers And Thunderstorms Likely
|
75°F |
0 to 5 mph
SSE
|
|
Monday
Jul 13
|
Chance Showers And Thunderstorms
|
92°F |
5 mph
E
|
|
Monday Night
Jul 13
|
Chance Showers And Thunderstorms
|
74°F |
0 to 10 mph
SE
|
|
Tuesday
Jul 14
|
Slight Chance Showers And Thunderstorms
|
92°F |
5 to 10 mph
ESE
|
|
Tuesday Night
Jul 14
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
0 to 10 mph
SSE
|
|
Wednesday
Jul 15
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
92°F |
0 to 5 mph
S
|
|
Wednesday Night
Jul 15
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
75°F |
5 mph
SSE
|
|
Thursday
Jul 16
|
Mostly Sunny
|
94°F |
5 to 10 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
77°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around McKinney.
