Norcross, Georgia Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Norcross weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers13%0.09″95°71°—
- SundayJul 5Heavy Rain41%0.36″97°74°+2°
- MondayJul 6Light Drizzle49%—95°73°-2°
- TuesdayJul 7Thunderstorm39%—93°77°-2°
- WednesdayJul 8T-storm w/ Hail25%—90°74°-3°
- ThursdayJul 9Heavy Drizzle22%—92°74°+2°
- FridayJul 10Partly Cloudy34%—95°76°+3°
AQI 71 (Moderate), driven by Ozone. Ozone at AQI 115 now. With UV 6.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 94 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 115 now. With UV 6.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 94 around 1 PM.
- Present
- AQI 115
- UV peak
- 6.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 94
PM × Wind × Precip
PM2.5 at 22.6 µg/m³ (AQI 76) with a 0.84 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- Wind
- light
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:23 PM
- Moonset
- 10:48 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Norcross at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 30071, 30093
16-Day Forecast — Norcross
- Sat95°71°13%
- Sun97°74°41%
- Mon95°73°49%
- Tue93°77°39%
- Wed90°74°25%
- Thu92°74°22%
- Fri95°76°34%
- Sat94°78°35%
- Sun93°75°27%
- Mon88°73°18%
- Tue79°70°17%
- Wed80°67°24%
- Thu89°66°32%
- Fri73°71°31%
- Sat91°70°35%
- Sun91°74°34%
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 — Norcross
SPC includes Norcross in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- 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 Norcross
- 30071