Lookout Mountain, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lookout Mountain, a town in Hamilton County, Tennessee.
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. South wind around 5 mph.
7-day forecast for Lookout Mountain
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 5 mph S | 4% |
| Sunday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 21% |
| Sunday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph S | 22% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph S | 57% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 5 mph SE | 73% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 0 to 5 mph E | 73% |
| Wednesday | 81°F | Rain Showers Likely | 5 mph S | 71% |
| Wednesday Night | 64°F | Showers And Thunderstorms Likely | 5 mph SE | 71% |
| Thursday | 79°F | Slight Chance Rain Showers | 5 mph E | 23% |
| Thursday Night | 61°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 23% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph N | 10% |
| Friday Night | 59°F | Partly Cloudy | 5 mph N | 10% |
| Saturday | 79°F | Sunny | 5 mph N | 8% |
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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Chattanooga
Collegedale
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Middle Valley
Mowbray Mountain
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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 Sep 20, 2026.