MCKINNEY, TX 75069 Weather Forecast & Current Conditions

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MCKINNEY, TX
Current Weather

2:53 AM CDT AUG 25, 2026
Clear
88°F
Feels Like: 89°F
Dewpoint: 63°F
Rel. Hum.: 43%
Visibility: 10 miles
Wind: S at 12 mph
Pressure: 29.91 inches
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MCKINNEY, TX 75069
Weather Forecast

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Snow Depth pages
TODAY
Partly sunny this morning, then clearing. Hot with highs around 104. South winds 5 to 10 mph.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 80. South winds 5 to 10 mph.
WEDNESDAY
Mostly sunny. A 20 percent chance of showers and thunderstorms in the afternoon. Hot with highs around 102. West winds 5 to 10 mph. Heat index values up to 110 in the afternoon.
WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 70s. North winds around 5 mph.
THURSDAY
Sunny, hot with highs in the upper 90s. North winds 5 to 10 mph. Heat index values up to 107.
THURSDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s.
FRIDAY
Sunny, hot with highs in the upper 90s. Heat index values up to 105.
FRIDAY NIGHT
Mostly clear. Lows in the mid 70s.
SATURDAY
Sunny, hot with highs in the upper 90s. Heat index values up to 105.
SATURDAY NIGHT
Clear. Lows in the upper 70s.
SUNDAY
Sunny, hot with highs in the upper 90s. Heat index values up to 110 in the afternoon.
SUNDAY NIGHT
Clear. Lows in the upper 70s.
MONDAY
Sunny, hot with highs in the upper 90s. Heat index values up to 110 in the afternoon.

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  8/24/2026
Tuesday
25 AUG 2026
MCKINNEY, TX 75069 weather forecast Day 1, 0 hours 1 AM 90° 90° Clear 13%
RAIN
<.01 in
0% Thunder
( 13% severe)
S   13 38% 61°
Low 81° MCKINNEY, TX 75069 weather forecast Day 1, 3 hours 4 AM 86° 87° Partly Cloudy SSW   12 48% 64°
High 104° MCKINNEY, TX 75069 weather forecast Day 1, 6 hours 7 AM 82° 85° Mostly Cloudy 9%

0% Thunder
( 5% severe)
S   9 61% 67°

Partly Cloudy



MCKINNEY, TX 75069 weather forecast Day 1, 9 hours 10 AM 90° 93° Partly Cloudy SW   12 47% 67°
MCKINNEY, TX 75069 weather forecast Day 1, 12 hours 1 PM 99° 102° Partly Cloudy 2%

0% Thunder
( 10% severe)
SW   13 32% 64°
MCKINNEY, TX 75069 weather forecast Day 1, 15 hours 4 PM 104° 106° Partly Cloudy SSW   13 25% 61°
MCKINNEY, TX 75069 weather forecast Day 1, 18 hours 7 PM 101° 103° Partly Cloudy 2%

0% Thunder
( 7% severe)
S   10 29% 63°
MCKINNEY, TX 75069 weather forecast Day 1, 21 hours 10 PM 91° 93° Clear S   9 42% 65°
Wednesday
26 AUG 2026
MCKINNEY, TX 75069 weather forecast Day 2, 0 hours 1 AM 87° 89° Clear 4%

0% Thunder
( 7% severe)
SSW   8 50% 66°
Low 81° MCKINNEY, TX 75069 weather forecast Day 2, 3 hours 4 AM 84° 86° Partly Cloudy SW   8 55% 66°
High 101° MCKINNEY, TX 75069 weather forecast Day 2, 6 hours 7 AM 81° 84° Partly Cloudy 5%

0% Thunder
( 8% severe)
SW   8 63% 67°

Partly Cloudy



MCKINNEY, TX 75069 weather forecast Day 2, 9 hours 10 AM 90° 94° Partly Cloudy WSW   10 49% 68°
MCKINNEY, TX 75069 weather forecast Day 2, 12 hours 1 PM 98° 103° Partly Cloudy 6%

0% Thunder
( 23% severe)
WNW   10 37% 67°
MCKINNEY, TX 75069 weather forecast Day 2, 15 hours 4 PM 100° 104° Partly Cloudy NW   9 33% 66°
MCKINNEY, TX 75069 weather forecast Day 2, 18 hours 7 PM 97° 102° Partly Cloudy 7%

0% Thunder
( 13% severe)
WNW   7 39% 68°
MCKINNEY, TX 75069 weather forecast Day 2, 21 hours 10 PM 88° 93° Partly Cloudy N   6 55% 70°

MCKINNEY, TX extended weather forecast

Thursday
27 AUG 2026
Friday
28 AUG 2026
Saturday
29 AUG 2026
Sunday
30 AUG 2026
Monday
31 AUG 2026
Low 74° Low 71° Low 71° Low 73° Low 75°
High 99° High 101° High 99° High 100° High 97°
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
Partly Cloudy
27% Rain
Clear
4% Rain
Clear
2% Rain
Clear
7% Rain
Clear
9% Rain
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