Hillsboro, TN Weather & Growing Conditions
Today
96°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of rain showers between 1pm and 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny. High near 96, with temperatures falling to around 91 in the afternoon. Heat index values as high as 100. West wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 26% |
| Tonight | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 19% |
| Sunday | 95°F | Sunny then Slight Chance Rain Showers | 0 to 5 mph SW | 19% |
| Sunday Night | 71°F | Slight Chance Rain Showers then Partly Cloudy | 0 mph | 17% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 50% |
| Tuesday | 90°F | Patchy Fog then Showers And Thunderstorms Likely | 0 to 5 mph WSW | 70% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 70% |
| Wednesday | 81°F | Rain Showers Likely | 0 to 5 mph N | 60% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely | 0 mph | 59% |
| Thursday | 80°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph NNE | 17% |
| Thursday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NNE | 17% |
| Friday | 80°F | Mostly Sunny | 0 to 10 mph NNE | 9% |
| Friday Night | 57°F | Partly Cloudy | 0 to 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hillsboro, TN
Last spring frost
Apr 13
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
7b
Explore more for Hillsboro, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Manchester #2, Tn (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.