Grand Rivers, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Rivers, a city in Marshall County, Kentucky.
Overnight
59°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 59, with temperatures rising to around 62 overnight. South southwest wind around 6 mph. Chance of precipitation is 30%.
7-day forecast for Grand Rivers
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Chance Rain Showers | 6 mph SSW | 29% |
| Wednesday | 67°F | Partly Sunny | 5 to 9 mph WSW | 13% |
| Wednesday Night | 46°F | Mostly Clear | 3 mph WSW | 0% |
| Thursday | 69°F | Sunny | 1 to 6 mph WSW | 0% |
| Thursday Night | 45°F | Mostly Clear | 2 mph W | 0% |
| Friday | 63°F | Mostly Sunny | 2 to 8 mph NNW | 0% |
| Friday Night | 39°F | Partly Cloudy | 3 to 7 mph N | 0% |
| Saturday | 58°F | Mostly Sunny | 6 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 59°F | Sunny | 1 to 6 mph NNW | 0% |
| Sunday Night | 35°F | Mostly Clear | 2 mph NNW | 0% |
| Monday | 63°F | Sunny | 0 to 5 mph WSW | 0% |
| Monday Night | 38°F | Clear | 1 mph WSW | 1% |
| Tuesday | 68°F | Sunny | 1 to 5 mph WSW | 1% |
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 4, 2026.