Hillsboro, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillsboro, a community in Coffee County, Tennessee.
Today
96°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny. High near 96, with temperatures falling to around 91 in the afternoon. Heat index values as high as 100. North wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Hillsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 19% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 19% |
| Sunday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 17% |
| Sunday Night | 69°F | Partly Cloudy | 0 mph | 14% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 39% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 65% |
| Tuesday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 73% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 73% |
| Wednesday | 81°F | Rain Showers Likely | 0 to 5 mph N | 60% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely | 0 mph | 58% |
| Thursday | 80°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph NNE | 18% |
| Thursday Night | 59°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NNE | 18% |
| Friday | 79°F | Mostly Sunny | 0 to 10 mph NNE | 8% |
| Friday Night | 57°F | Partly Cloudy | 0 to 5 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Hillsboro (35.404, -85.954). Updated through the day.
Growing snapshot for Hillsboro
Last spring frost
Apr 13
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
7b
More local growing data for Hillsboro: nearby ZIP 37342 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Manchester #2, Tn (12.1 mi from Hillsboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.