Johns Creek, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johns Creek, a city in Fulton County, Georgia.
Overnight
63°F
Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 4am, then a slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Cloudy, with a low around 63. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
7-day forecast for Johns Creek
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Slight Chance Showers And Thunderstorms | 15 mph E | 39% |
| Wednesday | 70°F | Showers And Thunderstorms | 5 to 15 mph SE | 89% |
| Wednesday Night | 63°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 69% |
| Thursday | 75°F | Slight Chance Rain Showers | 0 to 5 mph SW | 19% |
| Thursday Night | 56°F | Partly Cloudy then Slight Chance Rain Showers | 0 mph | 15% |
| Friday | 73°F | Slight Chance Rain Showers then Sunny | 5 to 10 mph NW | 15% |
| Friday Night | 47°F | Clear | 5 to 10 mph NW | 2% |
| Saturday | 67°F | Sunny | 5 to 10 mph NW | 0% |
| Saturday Night | 42°F | Partly Cloudy | 0 to 10 mph N | 0% |
| Sunday | 66°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 41°F | Mostly Clear | 5 mph NW | 1% |
| Monday | 66°F | Sunny | 5 mph NW | 1% |
| Monday Night | 41°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Tuesday | 67°F | Sunny | 0 to 5 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Johns Creek (34.033, -84.204). Updated through the day.
Growing snapshot for Johns Creek
Last spring frost
Mar 25
First fall frost
Nov 9
Growing season
228 days
Hardiness zone
8a
More local growing data for Johns Creek: nearby ZIP 30022 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Alpharetta
Atlanta
Chattahoochee Hills
College Park
Duluth
East Point
Fairburn
Hapeville
Milton
Mountain Park
Palmetto
Roswell
Sandy Springs
South Fulton
Union City
Climate data from the nearest NOAA station, Atlanta Peachtree Ap, Ga (10.9 mi from Johns Creek). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.