MCKINNEY, TX 75069 Weather Forecast & Current Conditions

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MCKINNEY, TX
Current Weather

4:53 PM CDT MAY 20, 2026
Broken Clouds
79°F
Feels Like: 81°F
Dewpoint: 66°F
Rel. Hum.: 64%
Visibility: 10 miles
Wind: E at 5 mph
Pressure: 29.99 inches
Last 72 hours

Local Area Snow Depth

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MCKINNEY, TX 75069
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Partly sunny. Highs around 80. Northeast winds around 5 mph.
TONIGHT
Mostly cloudy. A 50 percent chance of showers and thunderstorms after midnight. Lows in the mid 60s. Northeast winds around 5 mph.
THURSDAY
Showers and thunderstorms. Highs in the mid 70s. East winds 5 to 10 mph. Chance of rain near 100 percent.
THURSDAY NIGHT
Mostly cloudy. Showers and thunderstorms likely in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
FRIDAY
Mostly cloudy in the morning, then mostly sunny with a 20 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds around 5 mph.
FRIDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. A chance of thunderstorms. Showers likely in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of rain 60 percent.
SATURDAY
Mostly cloudy. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.
SATURDAY NIGHT
Mostly cloudy with showers likely. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent.
SUNDAY
Mostly cloudy with a chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 70s. Chance of rain 70 percent.
SUNDAY NIGHT
Mostly cloudy with a chance of showers. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 50 percent.
MEMORIAL DAY
Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the mid 60s.
TUESDAY
Mostly sunny. A 30 percent chance of showers and thunderstorms in the afternoon. Highs in the lower 80s.

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 AM CDT  5/20/2026
Wednesday
20 MAY 2026
MCKINNEY, TX 75069 weather forecast Day 1, 12 hours 1 PM 76° 77° Mostly Cloudy 12%
RAIN
.1–.25 in
0% Thunder
( 17% severe)
NE   8 74% 67°
High 80° MCKINNEY, TX 75069 weather forecast Day 1, 15 hours 4 PM 79° 81° Mostly Cloudy ENE   8 69% 68°
Mostly Cloudy

Chance of Rain

MCKINNEY, TX 75069 weather forecast Day 1, 18 hours 7 PM 78° 80° Mostly Cloudy 21%
RAIN
***
0% Thunder
( 29% severe)
ENE   7 71% 68°
MCKINNEY, TX 75069 weather forecast Day 1, 21 hours 10 PM 72° 72° Mostly Cloudy NNE   3 87% 68°
Thursday
21 MAY 2026
MCKINNEY, TX 75069 weather forecast Day 2, 0 hours 1 AM 70° 70° Mostly Cloudy 38%
RAIN
***
0% Thunder
( 40% severe)
ENE   5 90% 67°
Low 65° MCKINNEY, TX 75069 weather forecast Day 2, 3 hours 4 AM 68° 68° Mostly Cloudy ENE   3 93% 66°
High 74° MCKINNEY, TX 75069 weather forecast Day 2, 6 hours 7 AM 68° 68° Mostly Cloudy 59%
RAIN
***
0% Thunder
( 38% severe)
ENE   5 93% 66°

Mostly Cloudy

Rain

MCKINNEY, TX 75069 weather forecast Day 2, 9 hours 10 AM 70° 70° Mostly Cloudy E   8 93% 68°
MCKINNEY, TX 75069 weather forecast Day 2, 12 hours 1 PM 72° 72° Mostly Cloudy 91%
RAIN
***
0% Thunder
( 50% severe)
ESE   9 90% 69°
MCKINNEY, TX 75069 weather forecast Day 2, 15 hours 4 PM 72° 72° Mostly Cloudy SE   10 93% 70°
MCKINNEY, TX 75069 weather forecast Day 2, 18 hours 7 PM 72° 72° Mostly Cloudy 56%
RAIN
>2 in
0% Thunder
( 34% severe)
E   9 87% 68°
MCKINNEY, TX 75069 weather forecast Day 2, 21 hours 10 PM 70° 70° Mostly Cloudy SE   6 93% 68°
Friday
22 MAY 2026
MCKINNEY, TX 75069 weather forecast Day 3, 0 hours 1 AM 68° 68° Mostly Cloudy 23%
RAIN
.1–.25 in
0% Thunder
( 23% severe)
SSE   3 100% 68°
Low 64° MCKINNEY, TX 75069 weather forecast Day 3, 3 hours 4 AM 68° 68° Mostly Cloudy   CALM 93% 66°
High 83° MCKINNEY, TX 75069 weather forecast Day 3, 6 hours 7 AM 67° 67° Mostly Cloudy 7%

0% Thunder
( 24% severe)
S   3 97% 66°

Mostly Cloudy

Chance of Rain

MCKINNEY, TX 75069 weather forecast Day 3, 9 hours 10 AM 72° 72° Mostly Cloudy S   5 87% 68°
MCKINNEY, TX 75069 weather forecast Day 3, 15 hours 1 PM 79° 82° Mostly Cloudy 22%
RAIN
.1–.25 in
0% Thunder
( 26% severe)
S   6 72% 69°
MCKINNEY, TX 75069 weather forecast Day 3, 18 hours 4 PM 82° 86° Partly Cloudy S   6 67% 70°
MCKINNEY, TX 75069 weather forecast Day 3, 21 hours 7 PM 81° 84° Partly Cloudy     SSE   10 69% 70°

MCKINNEY, TX extended weather forecast

Saturday
23 MAY 2026
Sunday
24 MAY 2026
Monday
25 MAY 2026
Tuesday
26 MAY 2026
Wednesday
27 MAY 2026
Low 71° Low 66° Low 66° Low 64° Low 67°
High 82° High 79° High 79° High 81° High 84°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Overcast
58% Rain
Overcast
59% Rain
Overcast
62% Rain
Overcast
42% Rain
Overcast
30% Rain
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