Harman US

Cortland, OH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Cortland, a city in Trumbull County, Ohio.

Tonight
57°F
Mostly Clear
Mostly clear, with a low around 57. Southeast wind around 9 mph.

7-day forecast for Cortland

WhenTempForecastWindPrecip
Tonight 57°F Mostly Clear 9 mph SE 3%
Wednesday 73°F Partly Sunny then Light Rain Likely 9 to 14 mph S 67%
Wednesday Night 57°F Light Rain 8 to 16 mph S 88%
Thursday 66°F Slight Chance Light Rain then Mostly Sunny 7 to 13 mph SW 16%
Thursday Night 46°F Partly Cloudy 2 to 7 mph SW 1%
Friday 61°F Partly Sunny then Slight Chance Light Rain 2 to 7 mph W 23%
Friday Night 42°F Chance Light Rain 3 to 7 mph NW 37%
Saturday 53°F Chance Light Rain 7 to 10 mph W 37%
Saturday Night 36°F Chance Light Rain then Mostly Cloudy 3 to 7 mph W 37%
Sunday 54°F Partly Sunny then Slight Chance Light Rain 5 to 9 mph W 20%
Sunday Night 35°F Slight Chance Light Rain 7 mph W 22%
Monday 56°F Chance Light Rain 7 to 12 mph W 32%
Monday Night 37°F Chance Light Rain 9 mph SW 32%
Tuesday 59°F Mostly Sunny 9 to 14 mph W 13%

Forecast source: National Weather Service (api.weather.gov) for Cortland (41.332, -80.719). Updated through the day.

Growing snapshot for Cortland

Last spring frost
Apr 30
First fall frost
Oct 23
Growing season
176 days
Hardiness zone
6a

More local growing data for Cortland: nearby ZIP 44410 weather · frost dates · planting calendar · Ohio frost dates

Nearby towns & communities

All Ohio locations ›

Climate data from the nearest NOAA station, Mosquito Creek Lake, Oh (3.8 mi from Cortland). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.