McKinney, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for McKinney, TX in one place.
Mostly sunny, with a high near 93. Heat index values as high as 103. South wind 10 to 20 mph, with gusts as high as 30 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: Jun 16, 2026 11:33 AM CDT.
The active forecast window currently covers Jun 17 to Jun 22, 2026 for McKinney, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 17 to Jun 22, 2026
- Latest sync
- Jun 16, 2026 11:33 AM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in McKinney
Monday looks like the warmest upcoming period in McKinney at 97 degrees F.
Thursday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Wednesday at about 10 to 20 mph S.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 16, 2026 11:33 AM CDT
- Coverage
- 6 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
Partly cloudy, with a low around 76. Heat index values as high as 101. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Mostly sunny, with a high near 95. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
A chance of showers and thunderstorms after 7pm. Mostly cloudy. Low around 75, with temperatures rising to around 77 overnight. East northeast wind 5 to 15 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 90. East northeast wind 5 to 10 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East southeast wind 5 to 10 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 92. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 78. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 95. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 80. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 97. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 79. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 17
|
Mostly Sunny
|
93°F |
10 to 20 mph
S
|
|
Wednesday Night
Jun 17
|
Partly Cloudy
|
76°F |
10 to 20 mph
SSE
|
|
Thursday
Jun 18
|
Mostly Sunny
|
95°F |
10 to 15 mph
SE
|
|
Thursday Night
Jun 18
|
Chance Showers And Thunderstorms
|
75°F |
5 to 15 mph
ENE
|
|
Juneteenth
Jun 19
|
Chance Showers And Thunderstorms
|
90°F |
5 to 10 mph
ENE
|
|
Friday Night
Jun 19
|
Chance Showers And Thunderstorms
|
75°F |
5 to 10 mph
ESE
|
|
Saturday
Jun 20
|
Chance Showers And Thunderstorms
|
92°F |
5 to 15 mph
SSE
|
|
Saturday Night
Jun 20
|
Chance Showers And Thunderstorms
|
78°F |
15 mph
S
|
|
Sunday
Jun 21
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
95°F |
15 to 20 mph
S
|
|
Sunday Night
Jun 21
|
Mostly Clear then Slight Chance Showers And Thunderstorms
|
80°F |
15 to 20 mph
S
|
|
Monday
Jun 22
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
97°F |
15 mph
SSW
|
|
Monday Night
Jun 22
|
Chance Showers And Thunderstorms
|
79°F |
10 to 15 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around McKinney.
