Lookout Mountain, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lookout Mountain, a town in Hamilton County, Tennessee.
Today
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 85. Northeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lookout Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 49% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SE | 52% |
| Wednesday | 84°F | Mostly Sunny then Showers And Thunderstorms Likely | 5 mph S | 57% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 5 mph S | 52% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 5 mph S | 44% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SE | 44% |
| Friday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph S | 36% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SE | 36% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 65% |
| Saturday Night | 70°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 65% |
| Sunday | 86°F | Chance Showers And Thunderstorms | 0 mph | 50% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 50% |
| Monday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
Forecast source: National Weather Service (api.weather.gov) for Lookout Mountain (34.994, -85.352). Updated through the day.
Growing snapshot for Lookout Mountain
Last spring frost
Mar 31
First fall frost
Nov 6
Growing season
219 days
Hardiness zone
7b
More local growing data for Lookout Mountain: nearby ZIP 37350 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Apison
Chattanooga
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Lakesite
Lone Oak
Middle Valley
Mowbray Mountain
Ooltewah
Red Bank
Ridgeside
Sale Creek
Soddy-Daisy
Walden
Climate data from the nearest NOAA station, Lookout Mtn-Point Park, Tn (1.1 mi from Lookout Mountain). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.