McKinney, Kentucky Weather
Sun climbs to its northern throne. Day 88 of spring. Read this microseason across nine climate regions →
McKinney weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Mostly Clear——73°57°—
- TuesdayJun 16Overcast——79°57°+6°
- WednesdayJun 17Overcast15%—83°59°+4°
- ThursdayJun 18Light Drizzle82%—78°69°-5°
- FridayJun 19Light Drizzle81%0.02″76°58°-2°
- SaturdayJun 20Overcast——77°52°+1°
- SundayJun 21Drizzle27%0.05″80°62°+3°
AQI 29 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±4 points). PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.98 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 8.6 µg/m³ (AQI 48) with a 0.98 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 6:22 AM
- Moonset
- 9:14 PM
- In sign
- ♊︎ Gemini
Sun climbs to its northern throne
McKinney at a glance
- Today vs. normal: 19°F below the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — McKinney
- Mon73°57°2%
- Tue79°57°5%
- Wed83°59°15%
- Thu78°69°82%
- Fri76°58°81%
- Sat77°52°1%
- Sun80°62°27%
- Mon76°64°53%
- Tue79°64°47%
- Wed81°65°20%
- Thu86°68°12%
- Fri87°68°32%
- Sat91°70°45%
- Sun87°72°50%
- Mon91°72°58%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — McKinney
SPC has placed McKinney in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in McKinney
- 40448
- 40484
- 40437