Graysville, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Graysville, a town in Hamilton County, Tennessee.
Overnight
62°F
Showers And Thunderstorms Likely
A chance of rain showers before 4am, then showers and thunderstorms likely. Cloudy. Low around 62, with temperatures rising to around 65 overnight. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Graysville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms Likely | 5 mph S | 66% |
| Wednesday | 70°F | Showers And Thunderstorms | 5 to 10 mph S | 95% |
| Wednesday Night | 59°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph S | 93% |
| Thursday | 74°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 2% |
| Friday | 71°F | Sunny | 0 to 10 mph NW | 2% |
| Friday Night | 45°F | Mostly Clear | 0 to 5 mph NW | 1% |
| Saturday | 62°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 61°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph N | 1% |
| Monday | 64°F | Sunny | 0 to 5 mph N | 1% |
| Monday Night | 38°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 68°F | Sunny | 0 mph | 2% |
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 Nov 4, 2026.