Jasper, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jasper, 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 85 in the afternoon. Heat index values as high as 96. Northeast wind around 0 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Jasper
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Showers And Thunderstorms Likely | 0 mph | 59% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
| Wednesday | 87°F | Chance Showers And Thunderstorms | 0 mph | 69% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 48% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 44% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 44% |
| Friday | 89°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 39% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 39% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 0 mph | 69% |
| Saturday Night | 71°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 69% |
| Sunday | 88°F | Showers And Thunderstorms Likely | 0 mph | 55% |
| Sunday Night | 71°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 55% |
| 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 Jasper (35.068, -85.621). Updated through the day.
Growing snapshot for Jasper
Last spring frost
Apr 7
First fall frost
Oct 31
Growing season
208 days
Hardiness zone
8a
More local growing data for Jasper: nearby ZIP 37347 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Griffith Creek
Kimball
Monteagle
New Hope
Powells Crossroads
Sequatchie
Signal Mountain
South Pittsburg
Whiteside
Whitwell
Climate data from the nearest NOAA station, Bridgeport 5 Nw, Al (12.1 mi from Jasper). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.