Water Valley, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Water Valley, a community in Graves County, Kentucky.
Today
99°F
Sunny
Sunny. High near 99, with temperatures falling to around 97 in the afternoon. Heat index values as high as 105. West southwest wind 2 to 6 mph.
7-day forecast for Water Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 99°F | Sunny | 2 to 6 mph WSW | 1% |
| Tonight | 71°F | Mostly Clear | 3 mph SSW | 1% |
| Sunday | 98°F | Mostly Sunny | 1 to 9 mph SW | 0% |
| Sunday Night | 71°F | Partly Cloudy | 0 to 5 mph NNE | 4% |
| Monday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph N | 32% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 5 to 8 mph NNE | 37% |
| Tuesday | 82°F | Chance Showers And Thunderstorms | 7 to 12 mph N | 37% |
| Tuesday Night | 59°F | Partly Cloudy | 6 to 13 mph N | 13% |
| Wednesday | 80°F | Mostly Sunny | 6 to 9 mph N | 6% |
| Wednesday Night | 57°F | Partly Cloudy | 3 to 9 mph NNE | 2% |
| Thursday | 80°F | Mostly Sunny | 5 to 9 mph NNE | 2% |
| Thursday Night | 58°F | Partly Cloudy | 3 to 8 mph NNE | 3% |
| Friday | 81°F | Mostly Sunny | 5 to 10 mph NNE | 4% |
| Friday Night | 58°F | Partly Cloudy | 3 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Water Valley (36.569, -88.810). Updated through the day.
Growing snapshot for Water Valley
Last spring frost
Apr 4
First fall frost
Oct 28
Growing season
204 days
Hardiness zone
7b
More local growing data for Water Valley: nearby ZIP 42085 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Martin U Of T Branch E, Tn (15.9 mi from Water Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.