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
94°F
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Sunny, with a high near 94. Heat index values as high as 96. Northeast wind around 0 mph. Chance of precipitation is 30%.
7-day forecast for Lookout Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 94°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 27% |
| Tonight | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SE | 31% |
| Sunday | 92°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 27% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 20% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 41% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph NE | 62% |
| Tuesday | 86°F | Showers And Thunderstorms | 5 mph S | 82% |
| Tuesday Night | 67°F | Showers And Thunderstorms | 0 to 5 mph SE | 82% |
| Wednesday | 80°F | Rain Showers Likely | 5 mph SE | 63% |
| Wednesday Night | 63°F | Showers And Thunderstorms Likely | 5 mph E | 63% |
| Thursday | 79°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph E | 15% |
| Thursday Night | 61°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 15% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph N | 13% |
| Friday Night | 59°F | Partly Cloudy | 5 mph N | 13% |
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
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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 Sep 19, 2026.