Grimsley, TN Weather & Growing Conditions
Tonight
70°F
Mostly Clear
Mostly clear, with a low around 70. East southeast wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Clear | 0 mph | 8% |
| Saturday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 23% |
| Saturday Night | 71°F | Mostly Clear | 0 to 5 mph SSE | 14% |
| Sunday | 89°F | Mostly Sunny | 0 to 5 mph SW | 9% |
| Sunday Night | 70°F | Partly Cloudy | 0 to 5 mph S | 9% |
| Monday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 45% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 46% |
| Tuesday | 82°F | Showers And Thunderstorms Likely | 5 mph W | 71% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph ENE | 71% |
| Wednesday | 76°F | Rain Showers Likely | 0 to 5 mph N | 57% |
| Wednesday Night | 61°F | Showers And Thunderstorms Likely | 0 to 5 mph N | 55% |
| Thursday | 74°F | Slight Chance Rain Showers | 0 to 5 mph N | 19% |
| Thursday Night | 59°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph NNE | 17% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph NNE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grimsley, TN
Last spring frost
Apr 10
First fall frost
Oct 30
Growing season
203 days
Hardiness zone
7a
Explore more for Grimsley, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Monterey, Tn (9.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.