Whiteside, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Whiteside, a community in Marion County, Tennessee.
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. Northeast wind around 0 mph.
7-day forecast for Whiteside
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 0 mph | 1% |
| Saturday | 95°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 34% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 27% |
| Sunday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 28% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 16% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 62% |
| Tuesday | 88°F | Showers And Thunderstorms | 0 to 5 mph S | 81% |
| Tuesday Night | 66°F | Showers And Thunderstorms | 0 mph | 81% |
| Wednesday | 81°F | Rain Showers Likely | 0 to 5 mph SE | 63% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 63% |
| Thursday | 81°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph NE | 15% |
| Thursday Night | 61°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 15% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov) for Whiteside (34.995, -85.487). Updated through the day.
Growing snapshot for Whiteside
Last spring frost
Mar 31
First fall frost
Nov 6
Growing season
219 days
Hardiness zone
7b
More local growing data for Whiteside: nearby ZIP 37396 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Griffith Creek
Jasper
Kimball
Monteagle
New Hope
Powells Crossroads
Sequatchie
Signal Mountain
South Pittsburg
Whitwell
Climate data from the nearest NOAA station, Lookout Mtn-Point Park, Tn (9 mi from Whiteside). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.