Harman US

Grimsley, TN Weather & Growing Conditions

Tonight
61°F
Mostly Cloudy then Rain Showers Likely
Rain showers likely after 1am. Mostly cloudy, with a low around 61. South southeast wind around 15 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 61°F Mostly Cloudy then Rain Showers Likely 15 mph SSE 60%
Wednesday 69°F Showers And Thunderstorms 10 to 15 mph S 99%
Wednesday Night 54°F Chance Rain Showers then Mostly Cloudy 0 to 5 mph WSW 34%
Thursday 70°F Patchy Fog then Mostly Sunny 0 to 5 mph W 3%
Thursday Night 47°F Areas Of Fog 0 mph 1%
Friday 67°F Areas Of Fog then Mostly Sunny 0 to 5 mph NW 3%
Friday Night 41°F Partly Cloudy 0 to 5 mph NNW 1%
Saturday 58°F Mostly Sunny 5 mph N 1%
Saturday Night 35°F Mostly Cloudy 0 to 5 mph NNW 2%
Sunday 59°F Mostly Sunny 0 to 5 mph NW 7%
Sunday Night 34°F Mostly Clear 0 to 5 mph W 9%
Monday 61°F Sunny 0 to 5 mph W 8%
Monday Night 35°F Mostly Clear 0 to 5 mph WSW 1%
Tuesday 64°F Sunny 5 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Grimsley, TN

Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a

Explore more for Grimsley, TN: full frost dates · planting calendar · Tennessee frost dates

Climate data from the nearest NOAA station, Allardt, Tn (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.