Heron Bay, GA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heron Bay, a community in Henry County, Georgia.
Tonight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then a chance of showers and thunderstorms between 11pm and midnight, then a slight chance of showers and thunderstorms between midnight and 2am. Partly cloudy, with a low around 70. Northeast wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Heron Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 0 mph | 47% |
| Sunday | 91°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 0 mph | 17% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 18% |
| Monday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 20% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 48% |
| Tuesday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 55% |
| Tuesday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph NE | 55% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 5 mph NE | 38% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 38% |
| Thursday | 81°F | Mostly Sunny | 5 mph NE | 11% |
| Thursday Night | 62°F | Partly Cloudy | 0 to 5 mph NE | 11% |
| Friday | 82°F | Mostly Sunny | 5 mph NE | 7% |
| Friday Night | 60°F | Mostly Clear | 0 to 5 mph N | 7% |
| Saturday | 81°F | Sunny | 0 to 5 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Heron Bay (33.339, -84.192). Updated through the day.
Growing snapshot for Heron Bay
Last spring frost
Mar 31
First fall frost
Nov 6
Growing season
220 days
Hardiness zone
8a
More local growing data for Heron Bay: nearby ZIP 30248 weather · frost dates · planting calendar · Georgia frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mcdonough 5 Ene, Ga (9.8 mi from Heron Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.