Harman US

Mason, TN Weather & Growing Conditions

This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 104. West southwest wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 99°F Sunny 5 mph WSW 1%
Tonight 73°F Mostly Clear 0 mph 1%
Sunday 99°F Sunny 0 to 5 mph WSW 2%
Sunday Night 73°F Partly Cloudy 0 to 5 mph SSW 1%
Monday 98°F Mostly Sunny 0 to 10 mph WSW 4%
Monday Night 69°F Partly Cloudy 0 to 5 mph NNE 14%
Tuesday 91°F Mostly Sunny 5 to 10 mph N 11%
Tuesday Night 62°F Mostly Clear 5 to 15 mph NNE 11%
Wednesday 86°F Sunny 5 to 10 mph N 4%
Wednesday Night 59°F Mostly Clear 0 to 10 mph NNE 4%
Thursday 85°F Sunny 0 to 10 mph NNE 1%
Thursday Night 60°F Mostly Clear 0 to 10 mph NNE 1%
Friday 86°F Mostly Sunny 0 to 10 mph NNE 0%
Friday Night 60°F Partly Cloudy 0 to 10 mph NNE 0%

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

Growing snapshot for Mason, TN

Last spring frost
Mar 27
First fall frost
Nov 4
Growing season
222 days
Hardiness zone
8a

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

Climate data from the nearest NOAA station, Covington 3 Sw, Tn (14.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.