Grand River, OH Weather & Growing Conditions
Today
80°F
Sunny
Sunny, with a high near 80. North wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 2 to 7 mph N | 0% |
| Tonight | 67°F | Mostly Clear | 2 to 7 mph E | 0% |
| Wednesday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph W | 16% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SE | 20% |
| Thursday | 82°F | Chance Rain Showers | 6 to 10 mph SW | 25% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SW | 58% |
| Friday | 81°F | Showers And Thunderstorms Likely | 7 mph SW | 58% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 38% |
| Saturday | 82°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph SW | 29% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph SW | 18% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SW | 17% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 to 12 mph SW | 42% |
| Monday | 83°F | Chance Rain Showers | 9 to 14 mph W | 42% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 9 mph W | 51% |
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 Aug 4, 2026.