Plainview, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plainview, a city in Union County, Tennessee.
Today
87°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 87, with temperatures falling to around 84 in the afternoon. North wind around 0 mph. Chance of precipitation is 30%.
7-day forecast for Plainview
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 32% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 mph | 28% |
| Wednesday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 54% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 54% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 53% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph SW | 53% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 38% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 53% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 53% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 0 mph | 37% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 37% |
| Monday | 87°F | Chance Showers And Thunderstorms | 0 mph | 35% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 35% |
Forecast source: National Weather Service (api.weather.gov) for Plainview (36.181, -83.793). Updated through the day.
Growing snapshot for Plainview
Last spring frost
Apr 22
First fall frost
Oct 25
Growing season
184 days
Hardiness zone
7b
More local growing data for Plainview: nearby ZIP 37779 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Norris, Tn (16.9 mi from Plainview). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.