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
68°F
Light Rain
Rain. Cloudy. High near 68, with temperatures falling to around 62 in the afternoon. South wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Mentor-on-the-Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Light Rain | 17 mph S | 100% |
| Tonight | 54°F | Light Rain Likely | 12 to 18 mph SW | 72% |
| Thursday | 63°F | Mostly Sunny | 12 to 15 mph SW | 5% |
| Thursday Night | 46°F | Mostly Cloudy then Chance Light Rain | 9 to 13 mph SW | 40% |
| Friday | 56°F | Light Rain | 9 to 13 mph W | 78% |
| Friday Night | 38°F | Light Rain | 9 to 15 mph W | 80% |
| Saturday | 53°F | Light Rain | 16 mph NW | 80% |
| Saturday Night | 37°F | Chance Light Rain | 9 to 14 mph NW | 37% |
| Sunday | 55°F | Mostly Sunny | 10 to 18 mph W | 7% |
| Sunday Night | 40°F | Slight Chance Light Rain | 12 to 16 mph W | 15% |
| Monday | 57°F | Slight Chance Light Rain then Mostly Sunny | 12 to 15 mph W | 15% |
| Monday Night | 42°F | Mostly Clear | 10 to 14 mph SW | 1% |
| Tuesday | 59°F | Sunny | 12 to 16 mph W | 3% |
| Tuesday Night | 40°F | Partly Cloudy | 6 to 9 mph NW | 3% |
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 Nov 5, 2026.