Grand Junction, TN Weather & Growing Conditions
Overnight
58°F
Rain Showers
Rain showers before 5am. Mostly cloudy, with a low around 58. South southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Rain Showers | 5 mph SSW | 81% |
| Wednesday | 71°F | Mostly Sunny | 0 to 10 mph WSW | 6% |
| Wednesday Night | 44°F | Partly Cloudy | 0 mph | 0% |
| Thursday | 72°F | Mostly Sunny | 0 mph | 0% |
| Thursday Night | 45°F | Partly Cloudy | 0 mph | 0% |
| Friday | 67°F | Mostly Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 39°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 61°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 mph | 1% |
| Sunday | 62°F | Mostly Sunny | 0 to 5 mph NNW | 5% |
| Sunday Night | 34°F | Mostly Clear | 0 mph | 3% |
| Monday | 65°F | Sunny | 0 to 5 mph WNW | 0% |
| Monday Night | 36°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 69°F | Sunny | 0 to 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grand Junction, TN
Last spring frost
Apr 1
First fall frost
Nov 3
Growing season
217 days
Hardiness zone
7b
Explore more for Grand Junction, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Ames Plantation, Tn (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.