Grand River, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand River, a village in Lake County, Ohio.
Tonight
59°F
Mostly Cloudy
Mostly cloudy, with a low around 59. East wind 5 to 8 mph.
7-day forecast for Grand River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Mostly Cloudy | 5 to 8 mph E | 2% |
| Saturday | 73°F | Chance Rain Showers | 7 to 10 mph E | 31% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 81% |
| Sunday | 71°F | Showers And Thunderstorms | 7 to 16 mph N | 78% |
| Sunday Night | 58°F | Chance Rain Showers then Mostly Cloudy | 18 mph NE | 53% |
| Monday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 18 to 23 mph NE | 15% |
| Monday Night | 55°F | Chance Rain Showers | 20 to 23 mph NE | 36% |
| Tuesday | 65°F | Chance Rain Showers | 20 to 23 mph E | 36% |
| Tuesday Night | 55°F | Rain Showers Likely | 16 to 23 mph E | 58% |
| Wednesday | 65°F | Rain Showers Likely | 18 mph E | 58% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 12 to 17 mph E | 55% |
| Thursday | 67°F | Chance Rain Showers | 13 mph E | 41% |
| Thursday Night | 56°F | Chance Rain Showers | 7 to 13 mph NE | 26% |
| Friday | 68°F | Slight Chance Rain Showers | 7 to 14 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov) for Grand River (41.744, -81.286). Updated through the day.
Growing snapshot for Grand River
Last spring frost
Apr 15
First fall frost
Nov 9
Growing season
209 days
Hardiness zone
7a
More local growing data for Grand River: nearby ZIP 44045 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Eastlake
Fairport Harbor
Kirtland
Kirtland Hills
Lakeline
Madison
Mentor
Mentor-on-the-Lake
North Madison
North Perry
Painesville
Perry
Timberlake
Waite Hill
Wickliffe
Willoughby
Willoughby Hills
Willowick
Climate data from the nearest NOAA station, Painesville 4 Nw, Oh (0.8 mi from Grand River). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.