Harman US

Gray, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Gray, a community in Washington County, Tennessee.

This Afternoon
91°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Partly sunny. High near 91, with temperatures falling to around 88 in the afternoon. Heat index values as high as 95. Northwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Gray

WhenTempForecastWindPrecip
This Afternoon 91°F Scattered Showers And Thunderstorms 5 mph NW 46%
Tonight 67°F Scattered Showers And Thunderstorms then Mostly Cloudy 0 to 5 mph S 53%
Saturday 89°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 mph 20%
Saturday Night 66°F Chance Showers And Thunderstorms 0 to 5 mph SE 29%
Sunday 88°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 54%
Sunday Night 64°F Chance Showers And Thunderstorms 0 to 5 mph S 54%
Monday 88°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph W 52%
Monday Night 65°F Chance Showers And Thunderstorms 0 to 5 mph SE 52%
Tuesday 84°F Showers And Thunderstorms 0 to 5 mph S 81%
Tuesday Night 62°F Showers And Thunderstorms 5 mph E 81%
Wednesday 78°F Showers And Thunderstorms Likely 5 mph SE 60%
Wednesday Night 58°F Showers And Thunderstorms Likely 5 mph E 60%
Thursday 76°F Chance Rain Showers 0 to 5 mph NE 33%
Thursday Night 56°F Slight Chance Rain Showers then Mostly Cloudy 0 to 5 mph NE 24%

Forecast source: National Weather Service (api.weather.gov) for Gray (36.421, -82.476). Updated through the day.

Growing snapshot for Gray

Last spring frost
Apr 16
First fall frost
Oct 24
Growing season
190 days
Hardiness zone
7b

More local growing data for Gray: nearby ZIP 37615 weather · frost dates · planting calendar · Tennessee frost dates

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Climate data from the nearest NOAA station, Bristol Tri City Ap, Tn (5.8 mi from Gray). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.