Plainview, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plainview, a city in Union County, Tennessee.
This Afternoon
79°F
Sunny
Sunny. High near 79, with temperatures falling to around 75 in the afternoon. South wind around 0 mph.
7-day forecast for Plainview
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 0 mph | 1% |
| Tonight | 60°F | Mostly Cloudy | 0 to 5 mph E | 13% |
| Wednesday | 72°F | Showers And Thunderstorms | 0 to 5 mph SE | 83% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 mph | 97% |
| Thursday | 74°F | Slight Chance Rain Showers | 0 to 5 mph W | 16% |
| Thursday Night | 52°F | Mostly Cloudy | 0 mph | 9% |
| Friday | 72°F | Mostly Sunny | 0 to 5 mph NW | 9% |
| Friday Night | 46°F | Partly Cloudy | 0 to 5 mph NW | 5% |
| Saturday | 65°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 39°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Sunday | 64°F | Mostly Sunny | 0 to 5 mph NW | 5% |
| Sunday Night | 37°F | Partly Cloudy | 0 to 5 mph NW | 10% |
| Monday | 64°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Monday Night | 37°F | Mostly Clear | 0 to 5 mph NW | 7% |
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 Nov 3, 2026.