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Weather Conditions for McKinney, Texas : Collin County
Issued: 6:06 am CDT Oct 12, 2026 Latitude: 33.1976164 Longitude: -96.6152693 View on Google Maps

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Columbus Day Tonight Tuesday Wednesday Thursday Friday Saturday Sunday
Mostly Sunny on Columbus Day Increasing Clouds on Tonight Mostly Sunny on Tuesday 20% chance of thunderstorms on Wednesday 40% chance of rain on Thursday Mostly Sunny on Friday Sunny on Saturday Sunny on Sunday
High: 90°F Low: 74°F High: 93°F High: 91°F High: 86°F High: 73°F High: 70°F High: 74°F
  Low: 75°F Low: 71°F Low: 62°F Low: 52°F Low: 50°F  
Mostly Sunny Increasing Clouds Mostly Sunny Thunderstorms Rain Mostly Sunny Sunny Sunny

Hourly forecast

McKinney, tx · Next 24 hours · Eastern time (EST/EDT)

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Current Conditions at
MCKINNEY - (KTKI)
79°
Mostly Cloudy
as of 10:34 AM CDST
Rel. Humidity: 74%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: MVFR
Wind Data
13 MPH
170° South
Cloud Level(s): Broken at 1600ft
Current Conditions at
DALLAS/ADDISON - (KADS)
77°
Clear
as of 9:57 AM CDST
Rel. Humidity: 69%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
9 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
DALLAS - (KDAL)
75°
Partly Cloudy
as of 9:53 AM CDST
Rel. Humidity: 78%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
9 MPH
Gust: 20 MPH
180° South
Cloud Level(s): Few at 2300ft, Few at 16000ft, Scattered at 25000ft
Current Conditions at
MESQUITE - (KHQZ)
75°
Partly Cloudy
as of 9:50 AM CDST
Rel. Humidity: 78%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
7 MPH
150° Southeast
Cloud Level(s): Scattered at 2600ft
Mostly Sunny on Columbus Day Columbus Day... Mostly sunny, with a high near 90. South wind around 15 mph, with gusts as high as 25 mph.

Increasing Clouds on Tonight Tonight... Increasing clouds, with a low around 74. South wind around 10 mph.

Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 93. Heat index values as high as 100. South wind 10 to 15 mph, with gusts as high as 25 mph.

Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 75. South southeast wind around 10 mph, with gusts as high as 20 mph.

20% chance of thunderstorms Wednesday Wednesday... A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 91. South wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

30% chance of thunderstorms Wednesday Night Wednesday Night... A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 71. South southeast wind around 10 mph, with gusts as high as 20 mph.

40% chance of rain Thursday Thursday... A 40 percent chance of showers. Mostly sunny, with a high near 86. South wind around 10 mph becoming east in the afternoon.

20% chance of rain Thursday Night Thursday Night... A 20 percent chance of showers. Partly cloudy, with a low around 62. North wind 5 to 15 mph, with gusts as high as 25 mph.

Mostly Sunny on Friday Friday... Mostly sunny, with a high near 73. Breezy, with a north wind 20 to 25 mph, with gusts as high as 35 mph.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 52.

Sunny on Saturday Saturday... Sunny, with a high near 70.

Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 50.

Sunny on Sunday Sunday... Sunny, with a high near 74.

Texas' Warnings, Watches, and AdvisoriesTexas' Watches, Warnings, and Advisories

Sun Almanac for McKinney, Texas
Astronomical Sunrise 06:07 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 06:35 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 07:04 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 07:29 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 11 Hours 28 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 6:57 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 7:22 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 7:50 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 8:19 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 12 Hours 18 Minutes
Nautical Rise to Set: 13 Hours 15 Minutes
Astro Rise to Set: 14 Hours 12 Minutes

Click for yearly Sun Almanac for McKinney
Moon Almanac for McKinney, Texas
Moon Phase: Waxing Crescent
Moon Illumination: 4%
Moon Age: 1.95 Days
Moon is currently above the horizon
Distance from Moon to Earth: 246,897 miles
Upcoming Lunar Events for
McKinney:
Next EventEvent TimeIllum

High Moon:02:45 pm Mon4.7%
Moonset:07:53 pm Mon5.6%
Moonrise:10:32 am Tue8.7%
High Moon:03:34 pm Tue9.9%
Moonset:08:32 pm Tue11.2%
New Moon: Sat Oct 10
First Quarter: Sun Oct 18
Full Moon: Mon Oct 26
Last Quarter: Sun Nov 1
New Moon: Mon Nov 9
Click for Monthly Moon Almanac