Bon Air, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bon Air, a community in White County, Tennessee.
Overnight
63°F
Showers And Thunderstorms
A slight chance of rain showers before 3am, then showers and thunderstorms. Cloudy, with a low around 63. South southeast wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Bon Air
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms | 20 mph SSE | 77% |
| Wednesday | 68°F | Showers And Thunderstorms | 10 to 20 mph S | 98% |
| Wednesday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph W | 30% |
| Thursday | 68°F | Patchy Fog then Mostly Sunny | 0 to 5 mph W | 0% |
| Thursday Night | 48°F | Mostly Clear then Patchy Fog | 0 mph | 1% |
| Friday | 66°F | Patchy Fog then Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 43°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 56°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 37°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Sunday | 57°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph NNE | 1% |
| Monday | 60°F | Sunny | 0 to 5 mph N | 0% |
| Monday Night | 39°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 64°F | Sunny | 0 to 5 mph WSW | 2% |
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 Nov 4, 2026.