Lookout Mountain, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lookout Mountain, a town in Hamilton County, Tennessee.
This Afternoon
67°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 67. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lookout Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms | 10 mph SE | 94% |
| Tonight | 59°F | Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph SW | 87% |
| Thursday | 70°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 52°F | Mostly Clear | 5 mph NW | 2% |
| Friday | 69°F | Sunny | 5 to 10 mph NW | 2% |
| Friday Night | 47°F | Mostly Clear | 10 mph NW | 1% |
| Saturday | 60°F | Mostly Sunny | 10 mph N | 0% |
| Saturday Night | 41°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Sunday | 59°F | Mostly Sunny | 5 mph N | 0% |
| Sunday Night | 40°F | Mostly Clear | 5 mph N | 0% |
| Monday | 61°F | Sunny | 5 mph N | 1% |
| Monday Night | 41°F | Mostly Clear | 0 to 5 mph NW | 2% |
| Tuesday | 64°F | Sunny | 0 to 5 mph NW | 2% |
| Tuesday Night | 43°F | Mostly Clear | 0 mph | 2% |
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
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Middle Valley
Mowbray Mountain
Ooltewah
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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 Nov 4, 2026.