Union City, Georgia Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Union City weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——92°73°—
- SundayJul 5Rain23%0.23″95°74°+3°
- MondayJul 6Drizzle46%—94°72°-1°
- TuesdayJul 7Light Drizzle43%—92°70°-2°
- WednesdayJul 8Thunderstorm27%—90°71°-2°
- ThursdayJul 9Light Drizzle23%—92°71°+2°
- FridayJul 10Light Drizzle48%—92°71°0°
AQI 78 (Moderate), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 100 now. With UV 5.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 79 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 100 now. With UV 5.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 79 around 1 PM.
- Present
- AQI 100
- UV peak
- 5.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 79
PM × Wind × Precip
PM2.5 at 19.8 µg/m³ (AQI 71) with a 0.82 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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
- 11:24 PM
- Moonset
- 10:50 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Union City at a glance
- Today vs. normal: 5°F above the seasonal normal for this latitude
- Last frost: March 9 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 30291
16-Day Forecast — Union City
- Sat92°73°7%
- Sun95°74°23%
- Mon94°72°46%
- Tue92°70°43%
- Wed90°71°27%
- Thu92°71°23%
- Fri92°71°48%
- Sat92°72°39%
- Sun84°69°32%
- Mon81°68°19%
- Tue75°67°19%
- Wed76°65°26%
- Thu88°65°32%
- Fri73°71°25%
- Sat92°69°29%
- Sun90°72°35%
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 — Union City
SPC includes Union City 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 Union City
- 30349
- 30291
- 30213
- 31192