Powells Crossroads, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Powells Crossroads, a town in Marion County, Tennessee.
Today
88°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely after 10am. Mostly sunny. High near 88, with temperatures falling to around 84 in the afternoon. Heat index values as high as 100. North wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Powells Crossroads
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Showers And Thunderstorms Likely | 0 mph | 62% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 47% |
| Wednesday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 68% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 45% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 51% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 51% |
| Friday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 43% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 43% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 0 mph | 70% |
| Saturday Night | 70°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 70% |
| Sunday | 88°F | Showers And Thunderstorms Likely | 0 mph | 56% |
| Sunday Night | 71°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 56% |
| Monday | 89°F | Chance Showers And Thunderstorms | 0 mph | 49% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 49% |
Forecast source: National Weather Service (api.weather.gov) for Powells Crossroads (35.185, -85.485). Updated through the day.
Growing snapshot for Powells Crossroads
Last spring frost
Mar 26
First fall frost
Nov 8
Growing season
228 days
Hardiness zone
7b
More local growing data for Powells Crossroads: nearby ZIP 37397 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Griffith Creek
Jasper
Kimball
Monteagle
New Hope
Sequatchie
Signal Mountain
South Pittsburg
Whiteside
Whitwell
Climate data from the nearest NOAA station, Whitwell-Sequatchie Vly, Tn (6.2 mi from Powells Crossroads). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.