Grimsley, TN Weather & Growing Conditions
Today
67°F
Showers And Thunderstorms
Showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Cloudy, with a high near 67. South wind 10 to 15 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 67°F | Showers And Thunderstorms | 10 to 15 mph S | 96% |
| Tonight | 53°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph WSW | 25% |
| Thursday | 67°F | Mostly Sunny | 5 mph W | 0% |
| Thursday Night | 49°F | Partly Cloudy | 0 mph | 1% |
| Friday | 64°F | Sunny | 0 to 10 mph NNW | 1% |
| Friday Night | 44°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 54°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 56°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph N | 2% |
| Monday | 59°F | Sunny | 0 to 5 mph NNW | 1% |
| Monday Night | 40°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 63°F | Sunny | 0 to 5 mph WSW | 2% |
| Tuesday Night | 41°F | Mostly Clear | 0 mph | 1% |
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 Nov 4, 2026.