MCKINNEY, TX 75071 Weather Forecast & Current Conditions

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MCKINNEY, TX
Current Weather

9:53 AM CDT JUN 29, 2026
Broken Clouds
84°F
Feels Like: 90°F
Dewpoint: 73°F
Rel. Hum.: 70%
Visibility: 10 miles
Wind: S at 20 mph, gusts to 29
Pressure: 29.98 inches
Last 72 hours

Local Area Snow Depth

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MCKINNEY, TX 75071
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs in the mid 90s. South winds 15 to 20 mph.
TONIGHT
Mostly clear. Lows in the upper 70s. South winds 10 to 15 mph.
TUESDAY
Sunny. Highs in the mid 90s. South winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
TUESDAY NIGHT
Clear. Lows in the upper 70s. South winds 5 to 10 mph.
WEDNESDAY
Sunny. Highs in the mid 90s. South winds 5 to 10 mph.
WEDNESDAY NIGHT
Mostly clear. Lows in the upper 70s.
THURSDAY
Sunny. Highs in the mid 90s.
THURSDAY NIGHT
Mostly clear. Lows in the upper 70s.
FRIDAY
Sunny. Highs in the upper 90s.
FRIDAY NIGHT
Mostly clear. Lows in the upper 70s.
INDEPENDENCE DAY
Sunny, hot with highs in the upper 90s. Heat index values up to 105.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s.
SUNDAY
Mostly sunny. A 20 percent chance of showers and thunderstorms in the morning. Hot with highs in the upper 90s. Heat index values up to 105.

Visible Weather Satellite
MCKINNEY, TX 75071
Infrared Weather Satellite
MCKINNEY, TX 75071
NEXRAD Weather Radar
MCKINNEY, TX 75071

MCKINNEY, TX 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/28/2026
Monday
29 JUN 2026
MCKINNEY, TX 75071 weather forecast Day 1, 0 hours 1 AM 84° 90° Clear 0%

0% Thunder
( 2% severe)
S   17 67% 72°
Low 78° MCKINNEY, TX 75071 weather forecast Day 1, 3 hours 4 AM 81° 85° Mostly Cloudy S   17 74% 72°
High 98° MCKINNEY, TX 75071 weather forecast Day 1, 6 hours 7 AM 79° 82° Partly Cloudy 0%

0% Thunder
( 3% severe)
S   16 82% 73°

Clear




Breezy
MCKINNEY, TX 75071 weather forecast Day 1, 9 hours 10 AM 86° 91° Clear SSW   17 61% 71°
MCKINNEY, TX 75071 weather forecast Day 1, 12 hours 1 PM 94° 99° Clear 0%

0% Thunder
( 10% severe)
S   18 43% 68°
MCKINNEY, TX 75071 weather forecast Day 1, 15 hours 4 PM 98° 101° Clear S   20 34% 65°
MCKINNEY, TX 75071 weather forecast Day 1, 18 hours 7 PM 95° 98° Clear 0%

0% Thunder
( 6% severe)
S   20 39% 66°
MCKINNEY, TX 75071 weather forecast Day 1, 21 hours 10 PM 88° 91° Clear S   15 50% 67°
Tuesday
30 JUN 2026
MCKINNEY, TX 75071 weather forecast Day 2, 0 hours 1 AM 85° 90° Clear 0%

0% Thunder
( 4% severe)
S   13 61% 70°
Low 78° MCKINNEY, TX 75071 weather forecast Day 2, 3 hours 4 AM 81° 85° Clear S   13 72% 71°
High 97° MCKINNEY, TX 75071 weather forecast Day 2, 6 hours 7 AM 78° 80° Partly Cloudy 0%

0% Thunder
( 3% severe)
S   12 79% 71°

Partly Cloudy



MCKINNEY, TX 75071 weather forecast Day 2, 9 hours 10 AM 85° 90° Partly Cloudy S   12 63% 71°
MCKINNEY, TX 75071 weather forecast Day 2, 12 hours 1 PM 92° 96° Clear 0%

0% Thunder
( 10% severe)
S   13 44% 67°
MCKINNEY, TX 75071 weather forecast Day 2, 15 hours 4 PM 96° 98° Clear SSE   15 35% 64°
MCKINNEY, TX 75071 weather forecast Day 2, 18 hours 7 PM 94° 95° Clear 0%

0% Thunder
( 6% severe)
SSE   16 36% 63°
MCKINNEY, TX 75071 weather forecast Day 2, 21 hours 10 PM 87° 89° Clear SSE   12 50% 66°

MCKINNEY, TX extended weather forecast

Wednesday
1 JUL 2026
Thursday
2 JUL 2026
Friday
3 JUL 2026
Saturday
4 JUL 2026
Sunday
5 JUL 2026
Low 74° Low 75° Low 76° Low 77° Low 75°
High 98° High 97° High 98° High 97° High 96°
MCKINNEY, TX 75071 weather forecast Day 3 MCKINNEY, TX 75071 weather forecast Day 4 MCKINNEY, TX 75071 weather forecast Day 5 MCKINNEY, TX 75071 weather forecast Day 6 MCKINNEY, TX 75071 weather forecast Day 7
Clear
9% Rain
Partly Cloudy
21% Rain
Partly Cloudy
20% Rain
Partly Cloudy
15% Rain
Partly Cloudy
21% Rain
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