See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
33°
Clear
Feels Like: 35°
Min: 26°
Max: 36°
The next few hours will be clear, with tomorrow reaching 38°C and dropping to 26°C. The coming days will be mostly clear until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:14
Sunrise
19:28
Sunset
Moon
Waxing Crescent
10:43
Moonrise
20:49
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
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Weather in McKinney tomorrow, September 15, 2026
McKinney starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. Expect a brighter morning, with limited cloud around 7% by 09:00. Conditions start on a settled note.
The temperature range runs from about 27°C up to 38°C. Moisture in the air spans 25%-81%, with the highest values around 07:00. A lighter breeze peaks around 13:00 near 6.3 km/h.
Later hours favour clearer intervals, as cloud stays near 9% around 15:00. The afternoon is the better half for outdoor time. Visibility stays near 16.1 km. Sunrise is at 07:15 and sunset at 19:26, giving 12 hours 11 minutes of sunlight today.
Overall, McKinney on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 38°C.
Frequently asked questions about weather in McKinney
How warm does it get in McKinney?
The warmest month in McKinney is July, with average high temperatures of 35°C. The average temperature during this period is around 29°C.
How cold does it get in McKinney?
The coldest month in McKinney is January, with average low temperatures of 3°C. The average temperature during this period is around 7°C.
What is the wettest time of year in McKinney?
The wettest month in McKinney is May, with an average of 158mm of precipitation.
What is the driest time of year in McKinney?
The driest month in McKinney is July, with an average of 49mm of precipitation.
