Bon Air, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bon Air, a community in White County, Tennessee.
Today
84°F
Patchy Fog then Chance Showers And Thunderstorms
Patchy fog between 8am and 9am, then a chance of showers and thunderstorms. Mostly sunny. High near 84, with temperatures falling to around 80 in the afternoon. North northeast wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Bon Air
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Chance Showers And Thunderstorms | 0 mph | 49% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 27% |
| Wednesday | 83°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph SW | 55% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 30% |
| Thursday | 85°F | Chance Showers And Thunderstorms | 5 mph SSW | 53% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSE | 53% |
| Friday | 85°F | Showers And Thunderstorms Likely | 5 mph SSW | 59% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 59% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 68% |
| Saturday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 68% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 51% |
| Monday | 85°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Monday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
Forecast source: National Weather Service (api.weather.gov) for Bon Air (35.933, -85.370). Updated through the day.
Growing snapshot for Bon Air
Last spring frost
Apr 15
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
7b
More local growing data for Bon Air: nearby ZIP 38583 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sparta Wastewater Plant, Tn (4.1 mi from Bon Air). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.