McKinney, TX Weather Forecast
Right now it is 57°F and partly cloudy in McKinney (as of Fri, 7:45 AM CST). Today: high near 71°F. Tomorrow: partly sunny, high near 69°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions
Measured at McKinney - McKinney National Airport (1 mi from the city center).
Weather tomorrow in McKinney
Partly Sunny69°FPartly sunny. High near 69, with temperatures falling to around 66 in the afternoon. North northeast wind around 5 mph.
Mostly Cloudy49°FMostly cloudy, with a low around 49. North northeast wind 0 to 5 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for McKinney right now.
7-day forecast
Mostly Sunny71°F / 50°FMostly sunny. High near 71, with temperatures falling to around 68 in the afternoon. North northeast wind around 10 mph, with gusts as high as 20 mph. Tonight: Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. North northeast wind 5 to 10 mph.
Partly Sunny69°F / 49°FPartly sunny. High near 69, with temperatures falling to around 66 in the afternoon. North northeast wind around 5 mph. Saturday Night: Mostly cloudy, with a low around 49. North northeast wind 0 to 5 mph.
Partly Sunny69°F / 49°FPartly sunny. High near 69, with temperatures falling to around 66 in the afternoon. North northeast wind around 0 mph. Sunday Night: Mostly cloudy, with a low around 49. North northeast wind around 0 mph.
Mostly Sunny
11% chance of rain/snow71°F / 51°FMostly sunny, with a high near 71. South wind 0 to 5 mph. Monday Night: Partly cloudy, with a low around 51. South wind around 0 mph.
Sunny73°F / 54°FSunny, with a high near 73. South wind 0 to 5 mph. Tuesday Night: Mostly clear, with a low around 54.
Slight Chance Rain Showers 15% chance of rain/snow76°F / 53°FA slight chance of rain showers. Mostly sunny, with a high near 76. Chance of precipitation is 20%. Wednesday Night: A slight chance of rain showers. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Sunny74°F / 50°FSunny, with a high near 74. Thursday Night: Mostly clear, with a low around 50.
Forecast issued by NWS forecast office FWD · updated Nov 6, 5:06 AM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
McKinney population: 236,001 (U.S. Census Bureau, July 1, 2025 estimate). More Texas cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in McKinney?
Saturday, November 7: Partly Sunny, high near 69°F; night: mostly cloudy, low around 49°F.
Where does the McKinney forecast come from?
From the National Weather Service forecast office FWD, which writes the official forecast for McKinney's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the McKinney weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for McKinney (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.