Philadelphia, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Philadelphia, a city in Loudon County, Tennessee.
Overnight
68°F
Partly Cloudy
Partly cloudy, with a low around 68. Northeast wind around 0 mph.
7-day forecast for Philadelphia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Partly Cloudy | 0 mph | 5% |
| Saturday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 21% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 23% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 17% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 28% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 35% |
| Monday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 67% |
| Tuesday | 86°F | Showers And Thunderstorms | 0 mph | 84% |
| Tuesday Night | 64°F | Showers And Thunderstorms | 0 mph | 84% |
| Wednesday | 81°F | Showers And Thunderstorms | 0 mph | 78% |
| Wednesday Night | 61°F | Showers And Thunderstorms | 0 mph | 78% |
| Thursday | 79°F | Chance Rain Showers | 0 to 5 mph NW | 29% |
| Thursday Night | 59°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 23% |
| Friday | 78°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Philadelphia (35.679, -84.400). Updated through the day.
Growing snapshot for Philadelphia
Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7b
More local growing data for Philadelphia: nearby ZIP 37774 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lenoir City, Tn (6.8 mi from Philadelphia). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.