Grimsley, TN Weather & Growing Conditions
This Afternoon
91°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 2pm, then a chance of showers and thunderstorms. Partly sunny. High near 91, with temperatures falling to around 83 in the afternoon. West wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Slight Chance Showers And Thunderstorms | 0 mph | 29% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 28% |
| Sunday | 89°F | Sunny then Slight Chance Rain Showers | 0 to 5 mph WSW | 18% |
| Sunday Night | 69°F | Slight Chance Rain Showers | 0 to 5 mph SSW | 17% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph WSW | 38% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 0 mph | 44% |
| Tuesday | 83°F | Showers And Thunderstorms | 0 to 5 mph N | 76% |
| Tuesday Night | 62°F | Showers And Thunderstorms | 0 mph | 76% |
| Wednesday | 75°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 69% |
| Wednesday Night | 59°F | Showers And Thunderstorms Likely | 0 mph | 69% |
| Thursday | 74°F | Chance Rain Showers | 0 to 5 mph NNW | 29% |
| Thursday Night | 56°F | Chance Rain Showers then Partly Cloudy | 0 to 5 mph NNE | 26% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph NNE | 11% |
| Friday Night | 53°F | Partly Cloudy | 0 to 5 mph NE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grimsley, TN
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
183 days
Hardiness zone
7a
Explore more for Grimsley, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Jamestown, Tn (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.