Cornelius, North Carolina Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cornelius weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——99°74°—
- SundayJul 5Drizzle25%0.07″99°74°0°
- MondayJul 6Drizzle55%0.02″97°71°-2°
- TuesdayJul 7Light Drizzle49%0.01″91°68°-6°
- WednesdayJul 8Overcast33%—96°68°+5°
- ThursdayJul 9Overcast44%—97°68°+1°
- FridayJul 10Light Drizzle29%—99°71°+2°
AQI 59 (Moderate), driven by Ozone. Ozone at AQI 98 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 98 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 98
- UV peak
- 6.6 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 98
PM × Wind × Precip
PM2.5 at 11.6 µg/m³, PM10 at 14.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.78
- 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
- 11:11 PM
- Moonset
- 10:32 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Cornelius at a glance
- Today vs. normal: 22°F above the seasonal normal for this latitude
- Last frost: March 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 28031
16-Day Forecast — Cornelius
- Sat100°74°6%
- Sun99°75°25%
- Mon97°71°55%
- Tue91°68°49%
- Wed96°68°33%
- Thu97°68°44%
- Fri99°71°29%
- Sat101°70°39%
- Sun80°68°25%
- Mon91°63°15%
- Tue92°65°17%
- Wed93°69°35%
- Thu97°71°37%
- Fri96°69°49%
- Sat96°72°59%
- Sun95°69°65%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Cornelius
SPC has placed Cornelius in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3MRGLMarginal Risk
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 Cornelius
- 28031