Brighton, TN Weather & Growing Conditions
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 102. West wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 0 to 5 mph W | 1% |
| Tonight | 74°F | Mostly Clear | 0 to 5 mph SSW | 1% |
| Sunday | 100°F | Mostly Sunny | 0 to 5 mph WSW | 0% |
| Sunday Night | 72°F | Partly Cloudy | 0 to 5 mph SW | 1% |
| Monday | 97°F | Mostly Sunny | 0 to 10 mph WNW | 11% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 0 to 10 mph NNE | 33% |
| Tuesday | 88°F | Mostly Sunny | 5 to 15 mph N | 11% |
| Tuesday Night | 61°F | Partly Cloudy | 5 to 15 mph N | 9% |
| Wednesday | 85°F | Mostly Sunny | 5 to 15 mph N | 5% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 15 mph NNE | 1% |
| Thursday | 85°F | Sunny | 5 to 10 mph NNE | 1% |
| Thursday Night | 59°F | Partly Cloudy | 5 to 10 mph NNE | 1% |
| Friday | 85°F | Mostly Sunny | 5 to 15 mph NNE | 3% |
| Friday Night | 59°F | Partly Cloudy | 5 to 15 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Brighton, TN
Last spring frost
Mar 27
First fall frost
Nov 4
Growing season
222 days
Hardiness zone
8a
Explore more for Brighton, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Covington 3 Sw, Tn (5.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.