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.
This Afternoon
71°F
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 71. East wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Mentor-on-the-Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Rain Showers Likely | 7 mph E | 55% |
| Tonight | 64°F | Showers And Thunderstorms | 5 to 8 mph SE | 76% |
| Sunday | 69°F | Showers And Thunderstorms | 5 to 14 mph NW | 97% |
| Sunday Night | 56°F | Slight Chance Rain Showers then Mostly Cloudy | 14 mph NE | 24% |
| Monday | 66°F | Mostly Cloudy | 14 to 20 mph NE | 7% |
| Monday Night | 53°F | Mostly Cloudy | 17 to 21 mph E | 9% |
| Tuesday | 65°F | Mostly Cloudy then Chance Rain Showers | 20 mph E | 27% |
| Tuesday Night | 54°F | Showers And Thunderstorms Likely | 17 to 21 mph E | 63% |
| Wednesday | 65°F | Showers And Thunderstorms Likely | 18 mph E | 63% |
| Wednesday Night | 53°F | Showers And Thunderstorms Likely | 12 to 18 mph E | 62% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 13 mph E | 47% |
| Thursday Night | 53°F | Slight Chance Rain Showers | 7 to 13 mph E | 21% |
| Friday | 67°F | Slight Chance Rain Showers | 7 to 15 mph NE | 18% |
| Friday Night | 54°F | Slight Chance Rain Showers then Partly Cloudy | 7 to 15 mph NE | 16% |
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 19, 2026.