Harman US

McDonald, TN Weather & Growing Conditions

Today
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Northeast wind around 0 mph. Chance of precipitation is 40%.

7-day forecast

WhenTempForecastWindPrecip
Today 88°F Chance Showers And Thunderstorms 0 mph 40%
Tonight 70°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 35%
Wednesday 88°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 54%
Wednesday Night 70°F Chance Showers And Thunderstorms 0 to 5 mph S 49%
Thursday 89°F Chance Showers And Thunderstorms 0 to 5 mph S 44%
Thursday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph S 44%
Friday 89°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 32%
Friday Night 71°F Chance Showers And Thunderstorms 0 to 5 mph S 32%
Saturday 89°F Showers And Thunderstorms Likely 0 to 5 mph S 56%
Saturday Night 71°F Showers And Thunderstorms Likely 0 mph 56%
Sunday 89°F Chance Showers And Thunderstorms 0 mph 40%
Sunday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 0 mph 40%
Monday 90°F Chance Showers And Thunderstorms 0 to 5 mph SW 38%
Monday Night 72°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SW 38%

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

Growing snapshot for McDonald, TN

Last spring frost
Apr 6
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
8a

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

Climate data from the nearest NOAA station, Cleveland Fltr Plt, Tn (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.