Weather in McKinney, Texas, United States

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7-Day Detailed Weather Forecast for McKinney

This Afternoon

Temperature: 103°F

Wind Speed: 10 mph

Wind Direction: SW

Forecast: Sunny, with a high near 103. Heat index values as high as 111. Southwest wind around 10 mph.

Tonight

Temperature: 80°F

Wind Speed: 5 to 10 mph

Wind Direction: WSW

Forecast: Partly cloudy. Low around 80, with temperatures rising to around 82 overnight. Heat index values as high as 109. West southwest wind 5 to 10 mph.

Saturday

Temperature: 97°F

Wind Speed: 10 to 15 mph

Wind Direction: N

Forecast: Mostly sunny, with a high near 97. Heat index values as high as 97. North wind 10 to 15 mph.

Saturday Night

Temperature: 73°F

Wind Speed: 0 to 10 mph

Wind Direction: NNE

Forecast: Mostly clear. Low around 73, with temperatures rising to around 75 overnight. Heat index values as high as 97. North northeast wind 0 to 10 mph, with gusts as high as 20 mph.

Sunday

Temperature: 96°F

Wind Speed: 5 to 10 mph

Wind Direction: NNE

Forecast: Sunny, with a high near 96. North northeast wind 5 to 10 mph.

Sunday Night

Temperature: 73°F

Wind Speed: 0 to 10 mph

Wind Direction: ENE

Forecast: Clear. Low around 73, with temperatures rising to around 75 overnight. East northeast wind 0 to 10 mph.

Monday

Temperature: 99°F

Wind Speed: 0 to 5 mph

Wind Direction: ESE

Forecast: Sunny, with a high near 99. East southeast wind 0 to 5 mph.

Monday Night

Temperature: 76°F

Wind Speed: 5 to 10 mph

Wind Direction: ESE

Forecast: Clear, with a low around 76. East southeast wind 5 to 10 mph.

Tuesday

Temperature: 101°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Sunny, with a high near 101. South wind around 5 mph.

Tuesday Night

Temperature: 78°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: Mostly clear, with a low around 78.

Wednesday

Temperature: 100°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Sunny, with a high near 100.

Wednesday Night

Temperature: 79°F

Wind Speed: 5 to 10 mph

Wind Direction: SSE

Forecast: Mostly clear, with a low around 79.

Thursday

Temperature: 99°F

Wind Speed: 5 to 10 mph

Wind Direction: S

Forecast: Sunny, with a high near 99.

Thursday Night

Temperature: 78°F

Wind Speed: 10 mph

Wind Direction: SSE

Forecast: Mostly clear, with a low around 78.