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
81°F
Sunny
Sunny, with a high near 81. North wind 2 to 7 mph.
7-day forecast for Mentor-on-the-Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 2 to 7 mph N | 0% |
| Tonight | 67°F | Mostly Clear | 2 to 7 mph E | 0% |
| Wednesday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 6 mph W | 18% |
| Wednesday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 mph SE | 19% |
| Thursday | 83°F | Chance Showers And Thunderstorms | 6 to 9 mph SW | 25% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 5 mph SW | 58% |
| Friday | 82°F | Showers And Thunderstorms Likely | 7 mph SW | 58% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 6 mph SW | 40% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms | 6 to 9 mph SW | 28% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 19% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SW | 18% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 12 mph SW | 41% |
| Monday | 84°F | Chance Rain Showers | 9 to 14 mph W | 41% |
| Monday Night | 70°F | Chance Showers And Thunderstorms | 9 mph W | 51% |
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 Aug 4, 2026.