Grand Rivers, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Rivers, a city in Marshall County, Kentucky.
This Afternoon
68°F
Partly Sunny
Partly sunny. High near 68, with temperatures falling to around 60 in the afternoon. West southwest wind around 5 mph.
7-day forecast for Grand Rivers
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Partly Sunny | 5 mph WSW | 0% |
| Tonight | 48°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 67°F | Sunny | 2 to 7 mph WSW | 0% |
| Thursday Night | 44°F | Mostly Clear | 2 mph WNW | 0% |
| Friday | 59°F | Partly Sunny | 2 to 8 mph NNW | 0% |
| Friday Night | 36°F | Partly Cloudy | 2 to 7 mph N | 0% |
| Saturday | 56°F | Sunny | 2 to 6 mph N | 0% |
| Saturday Night | 34°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 59°F | Sunny | 0 to 5 mph NNW | 0% |
| Sunday Night | 34°F | Mostly Clear | 1 mph NNW | 0% |
| Monday | 62°F | Sunny | 0 to 3 mph NW | 0% |
| Monday Night | 37°F | Mostly Clear | 0 mph | 1% |
| Tuesday | 64°F | Sunny | 0 to 5 mph W | 0% |
| Tuesday Night | 39°F | Mostly Clear | 1 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Grand Rivers (37.005, -88.232). Updated through the day.
Growing snapshot for Grand Rivers
Last spring frost
Apr 9
First fall frost
Oct 19
Growing season
192 days
Hardiness zone
7a
More local growing data for Grand Rivers: nearby ZIP 42044 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Benton, Ky (8 mi from Grand Rivers). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.