Mayfield, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mayfield, a city in Graves County, Kentucky.
This Afternoon
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 108. West southwest wind around 6 mph.
7-day forecast for Mayfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 100°F | Sunny | 6 mph WSW | 2% |
| Tonight | 72°F | Mostly Clear | 0 to 3 mph SSE | 6% |
| Saturday | 99°F | Sunny | 1 to 6 mph SW | 3% |
| Saturday Night | 73°F | Mostly Clear | 3 mph SSW | 1% |
| Sunday | 99°F | Sunny | 3 to 9 mph WSW | 0% |
| Sunday Night | 72°F | Partly Cloudy | 5 mph NNE | 2% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph N | 28% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 7 mph N | 36% |
| Tuesday | 84°F | Slight Chance Showers And Thunderstorms | 6 to 12 mph N | 24% |
| Tuesday Night | 61°F | Partly Cloudy | 6 to 12 mph N | 10% |
| Wednesday | 81°F | Mostly Sunny | 8 mph N | 6% |
| Wednesday Night | 59°F | Mostly Clear | 3 to 7 mph NNE | 5% |
| Thursday | 80°F | Sunny | 5 to 9 mph NNE | 6% |
| Thursday Night | 60°F | Partly Cloudy | 3 to 7 mph NNE | 6% |
Forecast source: National Weather Service (api.weather.gov) for Mayfield (36.737, -88.644). Updated through the day.
Growing snapshot for Mayfield
Last spring frost
Apr 9
First fall frost
Oct 19
Growing season
192 days
Hardiness zone
7b
More local growing data for Mayfield: nearby ZIP 42066 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Benton, Ky (18.9 mi from Mayfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.