Mentor-on-the-Lake, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mentor-on-the-Lake, a city in Lake County, Ohio.
Today
70°F
Chance Rain Showers
A chance of rain showers and patchy fog. Cloudy, with a high near 70. North wind 7 to 13 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Mentor-on-the-Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Chance Rain Showers | 7 to 13 mph N | 43% |
| Tonight | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 14 mph NE | 20% |
| Monday | 66°F | Mostly Cloudy | 15 to 21 mph E | 8% |
| Monday Night | 54°F | Slight Chance Rain Showers | 16 to 20 mph NE | 19% |
| Tuesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 18 mph E | 19% |
| Tuesday Night | 54°F | Rain Showers Likely | 15 to 18 mph E | 66% |
| Wednesday | 63°F | Rain Showers Likely | 15 to 18 mph E | 66% |
| Wednesday Night | 53°F | Chance Rain Showers | 12 to 18 mph E | 54% |
| Thursday | 65°F | Chance Rain Showers | 12 to 15 mph E | 36% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 14 mph E | 7% |
| Friday | 65°F | Mostly Sunny | 5 to 13 mph NE | 6% |
| Friday Night | 54°F | Partly Cloudy | 5 to 12 mph NE | 4% |
| Saturday | 68°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Saturday Night | 56°F | Partly Cloudy | 2 to 8 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Mentor-on-the-Lake (41.715, -81.363). Updated through the day.
Growing snapshot for Mentor-on-the-Lake
Last spring frost
Apr 26
First fall frost
Oct 31
Growing season
184 days
Hardiness zone
7a
More local growing data for Mentor-on-the-Lake: nearby ZIP 44060 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Eastlake
Fairport Harbor
Grand River
Kirtland
Kirtland Hills
Lakeline
Madison
Mentor
North Madison
North Perry
Painesville
Perry
Timberlake
Waite Hill
Wickliffe
Willoughby
Willoughby Hills
Willowick
Climate data from the nearest NOAA station, Kirtland-Holden 2, Oh (4.4 mi from Mentor-on-the-Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.