Calvert City, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calvert City, a city in Marshall County, Kentucky.
This Afternoon
79°F
Mostly Sunny
Mostly sunny. High near 79, with temperatures falling to around 74 in the afternoon. South southeast wind around 14 mph, with gusts as high as 23 mph.
7-day forecast for Calvert City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Mostly Sunny | 14 mph SSE | 3% |
| Tonight | 57°F | Showers And Thunderstorms | 6 to 12 mph S | 99% |
| Wednesday | 70°F | Partly Sunny | 5 to 9 mph SW | 12% |
| Wednesday Night | 43°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 70°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 1 mph NW | 1% |
| Friday | 64°F | Partly Sunny | 1 to 7 mph NNW | 3% |
| Friday Night | 38°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 59°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 34°F | Partly Cloudy | 1 mph N | 1% |
| Sunday | 62°F | Sunny | 0 to 6 mph WNW | 6% |
| Sunday Night | 33°F | Mostly Clear | 2 mph NW | 7% |
| Monday | 65°F | Sunny | 1 to 6 mph WNW | 2% |
| Monday Night | 35°F | Mostly Clear | 2 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Calvert City (37.046, -88.396). Updated through the day.
Growing snapshot for Calvert City
Last spring frost
Apr 3
First fall frost
Oct 30
Growing season
207 days
Hardiness zone
7a
More local growing data for Calvert City: nearby ZIP 42029 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Smithland L&D, Il (10.8 mi from Calvert City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.