Maryville, TN Weather & Growing Conditions
This Afternoon
93°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Heat index values as high as 96. Northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 93°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 23% |
| Tonight | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 20% |
| Sunday | 91°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 18% |
| Sunday Night | 70°F | Mostly Clear | 0 to 5 mph S | 12% |
| Monday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 42% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SE | 61% |
| Tuesday | 86°F | Showers And Thunderstorms | 0 mph | 85% |
| Tuesday Night | 66°F | Showers And Thunderstorms | 0 to 5 mph SE | 85% |
| Wednesday | 81°F | Showers And Thunderstorms | 0 mph | 87% |
| Wednesday Night | 64°F | Showers And Thunderstorms | 0 to 5 mph E | 87% |
| Thursday | 77°F | Chance Rain Showers | 0 to 5 mph N | 49% |
| Thursday Night | 61°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 49% |
| Friday | 77°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 24% |
| Friday Night | 58°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph NE | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Maryville, TN
Last spring frost
Apr 1
First fall frost
Nov 2
Growing season
215 days
Hardiness zone
7b
Explore more for Maryville, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Knoxville Mcghee Tyson Ap, Tn (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.