Ooltewah, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ooltewah, a community in Hamilton County, Tennessee.
Tonight
72°F
Isolated Showers And Thunderstorms then Mostly Clear
Isolated showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Heat index values as high as 96. North wind 0 to 5 mph.
7-day forecast for Ooltewah
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Isolated Showers And Thunderstorms then Mostly Clear | 0 to 5 mph N | 14% |
| Saturday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph N | 29% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 30% |
| Sunday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 29% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 29% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 44% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph E | 47% |
| Tuesday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 69% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 69% |
| Wednesday | 84°F | Chance Rain Showers | 0 to 5 mph S | 53% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 5 mph N | 53% |
| Thursday | 81°F | Mostly Sunny | 0 to 5 mph N | 12% |
| Thursday Night | 61°F | Partly Cloudy | 5 mph N | 12% |
| Friday | 80°F | Mostly Sunny | 5 to 10 mph N | 10% |
Forecast source: National Weather Service (api.weather.gov) for Ooltewah (35.072, -85.054). Updated through the day.
Growing snapshot for Ooltewah
Last spring frost
Mar 24
First fall frost
Nov 9
Growing season
230 days
Hardiness zone
8a
More local growing data for Ooltewah: nearby ZIP 37315 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Apison
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Graysville
Harrison
Lakesite
Lone Oak
Lookout Mountain
Middle Valley
Mowbray Mountain
Red Bank
Ridgeside
Sale Creek
Soddy-Daisy
Walden
Climate data from the nearest NOAA station, Chattanooga Lovell Ap, Tn (8.5 mi from Ooltewah). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.