Graysville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Graysville, a town in Hamilton County, Tennessee.
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. Wind around 0 mph.
7-day forecast for Graysville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 0 mph | 4% |
| Saturday | 97°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 34% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 36% |
| Sunday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 35% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 35% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 54% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 54% |
| Tuesday | 90°F | Showers And Thunderstorms | 0 mph | 77% |
| Tuesday Night | 67°F | Showers And Thunderstorms | 0 mph | 77% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 57% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 0 mph | 57% |
| Thursday | 82°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 19% |
| Thursday Night | 60°F | Slight Chance Rain Showers | 0 to 5 mph N | 19% |
| Friday | 81°F | Slight Chance Rain Showers | 0 to 5 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for Graysville (35.449, -85.076). Updated through the day.
Growing snapshot for Graysville
Last spring frost
Apr 4
First fall frost
Oct 31
Growing season
208 days
Hardiness zone
7b
More local growing data for Graysville: nearby ZIP 37373 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Apison
Chattanooga
Collegedale
East Ridge
Fairmount
Falling Water
Flat Top Mountain
Harrison
Lakesite
Lone Oak
Lookout Mountain
Middle Valley
Mowbray Mountain
Ooltewah
Red Bank
Ridgeside
Sale Creek
Soddy-Daisy
Walden
Climate data from the nearest NOAA station, Dayton 2Se, Tn (7.1 mi from Graysville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.