Grand River, OH Weather & Growing Conditions
Today
73°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 73. East wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Chance Rain Showers | 8 mph E | 51% |
| Tonight | 62°F | Showers And Thunderstorms Likely | 5 to 8 mph SE | 56% |
| Sunday | 71°F | Showers And Thunderstorms | 7 to 15 mph N | 84% |
| Sunday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 17 mph NE | 30% |
| Monday | 65°F | Mostly Cloudy | 20 mph NE | 5% |
| Monday Night | 52°F | Slight Chance Rain Showers | 20 mph NE | 24% |
| Tuesday | 64°F | Chance Rain Showers | 20 mph E | 36% |
| Tuesday Night | 52°F | Rain Showers Likely | 18 to 22 mph E | 57% |
| Wednesday | 64°F | Rain Showers Likely | 20 mph E | 62% |
| Wednesday Night | 53°F | Showers And Thunderstorms Likely | 13 to 20 mph E | 62% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 14 mph E | 48% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 7 to 14 mph E | 22% |
| Friday | 67°F | Slight Chance Rain Showers | 8 to 16 mph NE | 18% |
| Friday Night | 54°F | Slight Chance Rain Showers then Partly Cloudy | 7 to 16 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grand River, OH
Last spring frost
Apr 15
First fall frost
Nov 9
Growing season
209 days
Hardiness zone
7a
Explore more for Grand River, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Painesville 4 Nw, Oh (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.