Porterdale, Georgia Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Porterdale weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast12%—97°73°—
- SundayJul 5Overcast24%—98°75°+1°
- MondayJul 6Overcast40%—95°73°-3°
- TuesdayJul 7Drizzle29%—93°71°-2°
- WednesdayJul 8T-storm w/ Hail20%—90°71°-3°
- ThursdayJul 9Light Showers23%—90°71°0°
- FridayJul 10Drizzle23%—94°73°+4°
AQI 70 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 23.3 µg/m³ (AQI 77) with a 0.85 fine-to-coarse ratio and 1 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
Ozone × UV × Sky
Ozone at AQI 55 now. With UV 5.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
- Present
- AQI 55
- UV peak
- 5.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 23.3 µg/m³ (AQI 77) with a 0.85 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.85
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:21 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Porterdale at a glance
- Today vs. normal: 7°F above the seasonal normal for this latitude
- Last frost: March 8 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 30070
16-Day Forecast — Porterdale
- Sat97°73°12%
- Sun98°75°24%
- Mon95°73°40%
- Tue93°71°29%
- Wed90°71°20%
- Thu90°71°23%
- Fri94°73°23%
- Sat95°72°34%
- Sun92°72°22%
- Mon83°70°14%
- Tue74°66°10%
- Wed78°65°29%
- Thu87°64°29%
- Fri74°71°31%
- Sat91°69°45%
- Sun93°72°37%
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 — Porterdale
SPC includes Porterdale 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 Porterdale
- 30070
- 30014
- 30016