Newbern, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Newbern, a town in Dyer County, Tennessee.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 101. West southwest wind around 5 mph.
7-day forecast for Newbern
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 5 mph WSW | 1% |
| Tonight | 73°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Sunday | 99°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Sunday Night | 72°F | Mostly Clear | 0 to 5 mph SSW | 0% |
| Monday | 96°F | Mostly Sunny | 0 to 10 mph WNW | 8% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 5 mph NNE | 22% |
| Tuesday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 15 mph NNE | 19% |
| Tuesday Night | 61°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 15 mph N | 19% |
| Wednesday | 83°F | Sunny | 5 to 10 mph N | 3% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 10 mph N | 2% |
| Thursday | 83°F | Mostly Sunny | 5 to 10 mph NNE | 2% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 10 mph NNE | 1% |
| Friday | 84°F | Mostly Sunny | 5 to 10 mph NNE | 1% |
| Friday Night | 60°F | Partly Cloudy | 5 to 10 mph NNE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Newbern (36.117, -89.271). Updated through the day.
Growing snapshot for Newbern
Last spring frost
Mar 28
First fall frost
Nov 2
Growing season
221 days
Hardiness zone
7b
More local growing data for Newbern: nearby ZIP 38059 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dyersburg Iii Golf, Tn (12.4 mi from Newbern). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.