McDonald, TN Weather & Growing Conditions
Today
96°F
Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 5pm. Sunny. High near 96, with temperatures falling to around 93 in the afternoon. Heat index values as high as 103. North wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 21% |
| Tonight | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 25% |
| Sunday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 28% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 37% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 64% |
| Tuesday | 88°F | Showers And Thunderstorms | 0 to 5 mph S | 82% |
| Tuesday Night | 66°F | Showers And Thunderstorms | 0 mph | 82% |
| Wednesday | 82°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 65% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 0 to 5 mph NW | 65% |
| Thursday | 81°F | Slight Chance Rain Showers | 0 to 5 mph N | 19% |
| Thursday Night | 61°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 17% |
| Friday | 80°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Friday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph N | 15% |
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 Sep 19, 2026.