McKinney, Kentucky Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
McKinney weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast17%—88°70°—
- MondayJul 6Heavy Showers35%1.6″85°73°-3°
- TuesdayJul 7T-storm w/ Hail53%—83°71°-2°
- WednesdayJul 8T-storm w/ Hail50%—83°69°0°
- ThursdayJul 9Drizzle34%—86°68°+3°
- FridayJul 10T-storm w/ Hail68%0.16″81°69°-5°
- SaturdayJul 11Drizzle56%0.08″74°68°-7°
AQI 48 (Good), driven by PM2.5. AQI up 16 in the last 6 hours — air quality is degrading. PM2.5 at 10.1 µg/m³, PM10 at 11.2 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 50
- UV peak
- 1.5 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 50
PM × Wind × Precip
PM2.5 at 10.1 µg/m³, PM10 at 11.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:55 PM
- Moonset
- 11:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
McKinney at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 40448
16-Day Forecast — McKinney
- Sun88°70°17%
- Mon85°73°35%
- Tue83°71°53%
- Wed83°69°50%
- Thu86°68°34%
- Fri81°69°68%
- Sat74°68°56%
- Sun81°66°32%
- Mon82°66°17%
- Tue74°53°8%
- Wed78°57°13%
- Thu83°60°29%
- Fri87°63°33%
- Sat86°65°52%
- Sun83°65°36%
- Mon83°64°36%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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