Harman US

Ottawa Hills, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ottawa Hills, a village in Lucas County, Ohio.

Today
68°F
Light Rain
Rain. Cloudy, with a high near 68. South wind around 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Ottawa Hills

WhenTempForecastWindPrecip
Today 68°F Light Rain 18 mph S 92%
Tonight 52°F Light Rain Likely then Mostly Cloudy 8 to 15 mph SW 60%
Thursday 61°F Partly Sunny 9 to 15 mph SW 5%
Thursday Night 47°F Mostly Cloudy then Chance Rain Showers 5 to 9 mph W 31%
Friday 53°F Chance Rain Showers 5 to 10 mph W 53%
Friday Night 39°F Chance Rain Showers 9 mph NW 35%
Saturday 51°F Slight Chance Rain Showers then Partly Sunny 9 mph NW 18%
Saturday Night 35°F Partly Cloudy 6 mph W 2%
Sunday 55°F Mostly Sunny 5 to 13 mph W 6%
Sunday Night 36°F Mostly Clear 5 to 9 mph W 6%
Monday 58°F Mostly Sunny 5 to 10 mph W 3%
Monday Night 40°F Partly Cloudy 8 mph SW 1%
Tuesday 60°F Mostly Sunny 7 to 12 mph W 1%
Tuesday Night 38°F Partly Cloudy 2 to 7 mph NW 4%

Forecast source: National Weather Service (api.weather.gov) for Ottawa Hills (41.667, -83.640). Updated through the day.

Growing snapshot for Ottawa Hills

Last spring frost
Apr 20
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
6b

More local growing data for Ottawa Hills: nearby ZIP 43606 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

All Ohio locations ›

Climate data from the nearest NOAA station, Toledo Metcalf Fld, Oh (10.3 mi from Ottawa Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.