Harman US

Union City, GA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Union City, a city in Fulton County, Georgia.

Overnight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. West wind around 0 mph.

7-day forecast for Union City

WhenTempForecastWindPrecip
Overnight 72°F Partly Cloudy 0 mph 2%
Saturday 95°F Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph NE 24%
Saturday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SE 30%
Sunday 91°F Mostly Sunny 0 to 5 mph E 13%
Sunday Night 70°F Mostly Clear 0 mph 11%
Monday 92°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph W 24%
Monday Night 70°F Chance Showers And Thunderstorms 0 mph 54%
Tuesday 89°F Showers And Thunderstorms Likely 0 to 5 mph E 61%
Tuesday Night 69°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 5 mph E 61%
Wednesday 84°F Chance Rain Showers then Chance Showers And Thunderstorms 5 to 10 mph E 41%
Wednesday Night 66°F Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph NE 34%
Thursday 82°F Mostly Sunny 5 to 10 mph NE 10%
Thursday Night 63°F Partly Cloudy 5 to 10 mph NE 10%
Friday 83°F Mostly Sunny 5 mph N 10%

Forecast source: National Weather Service (api.weather.gov) for Union City (33.594, -84.563). Updated through the day.

Growing snapshot for Union City

Last spring frost
Mar 15
First fall frost
Nov 20
Growing season
252 days
Hardiness zone
8a

More local growing data for Union City: nearby ZIP 30291 weather · frost dates · planting calendar · Georgia frost dates

Nearby towns & communities

All Georgia locations ›

Climate data from the nearest NOAA station, Atlanta Hartsfield Intl Ap, Ga (7 mi from Union City). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.