MCKINNEY, TX 75069 Weather Forecast & Current Conditions

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MCKINNEY, TX
Current Weather

3:53 AM CDT AUG 11, 2026
Clear
81°F
Feels Like: 84°F
Dewpoint: 68°F
Rel. Hum.: 65%
Visibility: 10 miles
Wind: S at 8 mph
Pressure: 30.04 inches
Last 72 hours

Local Area Snow Depth

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MCKINNEY, TX 75069
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny, hot with highs in the upper 90s. South winds 5 to 10 mph. Heat index values up to 106.
TONIGHT
Clear. Lows in the upper 70s. South winds around 10 mph.
WEDNESDAY
Sunny, hot with highs around 100. South winds 10 to 15 mph. Heat index values up to 105.
WEDNESDAY NIGHT
Clear. Lows in the upper 70s. South winds 10 to 15 mph.
THURSDAY
Sunny, hot with highs around 100. South winds 10 to 15 mph, increasing to 15 to 20 mph in the afternoon. Heat index values up to 105.
THURSDAY NIGHT
Clear. Lows in the upper 70s.
FRIDAY
Sunny, hot with highs around 100. Heat index values up to 105.
FRIDAY NIGHT
Clear. Lows in the upper 70s.
SATURDAY
Sunny, hot with highs around 100. Heat index values up to 105.
SATURDAY NIGHT
Clear. Lows in the upper 70s.
SUNDAY
Sunny, hot with highs around 100. Heat index values up to 105.
SUNDAY NIGHT
Clear. Lows in the upper 70s.
MONDAY
Sunny, hot with highs around 100. Heat index values up to 105.

Visible Weather Satellite
MCKINNEY, TX 75069
Infrared Weather Satellite
MCKINNEY, TX 75069
NEXRAD Weather Radar
MCKINNEY, TX 75069

MCKINNEY, TX 3 hourly weather forecast

weather forecast created  7:00 PM CDT  8/10/2026
Tuesday
11 AUG 2026
MCKINNEY, TX 75069 weather forecast Day 1, 0 hours 1 AM 84° 90° Clear 1%

0% Thunder
( 2% severe)
S   12 67% 72°
Low 78° MCKINNEY, TX 75069 weather forecast Day 1, 3 hours 4 AM 81° 86° Clear S   9 77% 73°
High 99° MCKINNEY, TX 75069 weather forecast Day 1, 6 hours 7 AM 79° 82° Clear 0%

0% Thunder
( 2% severe)
S   9 82% 73°

Partly Cloudy



MCKINNEY, TX 75069 weather forecast Day 1, 9 hours 10 AM 87° 93° Clear SSW   12 61% 72°
MCKINNEY, TX 75069 weather forecast Day 1, 12 hours 1 PM 96° 105° Partly Cloudy 1%

0% Thunder
( 12% severe)
S   12 46% 72°
MCKINNEY, TX 75069 weather forecast Day 1, 15 hours 4 PM 99° 106° Partly Cloudy S   13 39% 70°
MCKINNEY, TX 75069 weather forecast Day 1, 18 hours 7 PM 96° 102° Partly Cloudy 0%

0% Thunder
( 5% severe)
S   14 42% 69°
MCKINNEY, TX 75069 weather forecast Day 1, 21 hours 10 PM 90° 95° Clear S   12 50% 69°
Wednesday
12 AUG 2026
MCKINNEY, TX 75069 weather forecast Day 2, 0 hours 1 AM 85° 90° Clear 1%

0% Thunder
( 3% severe)
S   12 63% 71°
Low 77° MCKINNEY, TX 75069 weather forecast Day 2, 3 hours 4 AM 83° 88° Partly Cloudy S   13 70% 72°
High 100° MCKINNEY, TX 75069 weather forecast Day 2, 6 hours 7 AM 80° 84° Clear 0%

0% Thunder
( 2% severe)
S   13 77% 72°

Clear



MCKINNEY, TX 75069 weather forecast Day 2, 9 hours 10 AM 87° 93° Clear S   13 61% 72°
MCKINNEY, TX 75069 weather forecast Day 2, 12 hours 1 PM 96° 104° Clear 1%

0% Thunder
( 11% severe)
S   14 45% 71°
MCKINNEY, TX 75069 weather forecast Day 2, 15 hours 4 PM 100° 107° Clear S   15 37% 69°
MCKINNEY, TX 75069 weather forecast Day 2, 18 hours 7 PM 97° 102° Clear 0%

0% Thunder
( 5% severe)
S   15 38% 67°
MCKINNEY, TX 75069 weather forecast Day 2, 21 hours 10 PM 90° 94° Clear S   10 49% 68°

MCKINNEY, TX extended weather forecast

Thursday
13 AUG 2026
Friday
14 AUG 2026
Saturday
15 AUG 2026
Sunday
16 AUG 2026
Monday
17 AUG 2026
Low 76° Low 78° Low 77° Low 73° Low 75°
High 101° High 101° High 100° High 104° High 102°
MCKINNEY, TX 75069 weather forecast Day 3 MCKINNEY, TX 75069 weather forecast Day 4 MCKINNEY, TX 75069 weather forecast Day 5 MCKINNEY, TX 75069 weather forecast Day 6 MCKINNEY, TX 75069 weather forecast Day 7
Clear
8% Rain
Clear
6% Rain
Clear
6% Rain
Clear
11% Rain
Clear
16% Rain
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