Harman US

Lookout Mountain, TN Weather & Growing Conditions

This Afternoon
71°F
Mostly Cloudy
Mostly cloudy, with a high near 71. Southeast wind around 15 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 71°F Mostly Cloudy 15 mph SE 1%
Tonight 64°F Chance Rain Showers 15 to 25 mph SE 50%
Wednesday 68°F Showers And Thunderstorms 10 to 20 mph S 99%
Wednesday Night 60°F Showers And Thunderstorms Likely then Partly Cloudy 5 to 10 mph SW 55%
Thursday 71°F Mostly Sunny 0 to 5 mph W 7%
Thursday Night 53°F Partly Cloudy 5 mph W 7%
Friday 69°F Sunny 0 to 10 mph NW 3%
Friday Night 48°F Mostly Clear 5 to 10 mph NW 1%
Saturday 61°F Mostly Sunny 5 to 10 mph N 1%
Saturday Night 43°F Partly Cloudy 5 mph N 1%
Sunday 61°F Mostly Sunny 5 mph N 6%
Sunday Night 42°F Mostly Clear 5 mph NW 7%
Monday 61°F Sunny 5 mph NW 5%
Monday Night 42°F Mostly Clear 0 to 5 mph NW 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lookout Mountain, TN

Last spring frost
Mar 31
First fall frost
Nov 6
Growing season
219 days
Hardiness zone
7b

Explore more for Lookout Mountain, TN: full frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, Lookout Mtn-Point Park, Tn (1.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.