Harman US

Gray, TN Weather & Growing Conditions

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

Overnight
66°F
Mostly Clear
Mostly clear, with a low around 66. Northeast wind around 5 mph.

7-day forecast for Gray

WhenTempForecastWindPrecip
Overnight 66°F Mostly Clear 5 mph NE 1%
Tuesday 87°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph SE 51%
Tuesday Night 66°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SE 58%
Wednesday 85°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 5 mph S 52%
Wednesday Night 67°F Chance Showers And Thunderstorms 0 to 5 mph S 52%
Thursday 86°F Chance Showers And Thunderstorms 0 to 5 mph SW 51%
Thursday Night 67°F Chance Showers And Thunderstorms then Mostly Cloudy 0 to 5 mph S 51%
Friday 86°F Chance Showers And Thunderstorms 0 to 5 mph S 45%
Friday Night 67°F Chance Showers And Thunderstorms 0 to 5 mph S 45%
Saturday 86°F Mostly Sunny then Showers And Thunderstorms Likely 0 to 5 mph W 60%
Saturday Night 67°F Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms 0 to 5 mph W 60%
Sunday 86°F Chance Showers And Thunderstorms 0 to 5 mph W 35%
Sunday Night 68°F Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph W 35%
Monday 87°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 0 to 5 mph W 32%

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

Nearby towns & communities

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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 Aug 4, 2026.