Cortland, OH Weather & Growing Conditions
Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Partly Cloudy | 5 mph NE | 1% |
| Saturday | 74°F | Partly Sunny then Slight Chance Rain Showers | 5 mph E | 17% |
| Saturday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 mph SE | 74% |
| Sunday | 72°F | Showers And Thunderstorms | 5 to 10 mph W | 84% |
| Sunday Night | 55°F | Rain Showers Likely | 7 to 12 mph NE | 57% |
| Monday | 67°F | Mostly Cloudy then Slight Chance Rain Showers | 8 to 12 mph NE | 17% |
| Monday Night | 54°F | Chance Rain Showers | 13 mph NE | 43% |
| Tuesday | 65°F | Chance Rain Showers | 10 to 14 mph E | 43% |
| Tuesday Night | 53°F | Showers And Thunderstorms Likely | 14 to 17 mph E | 59% |
| Wednesday | 62°F | Rain Showers Likely | 15 mph E | 59% |
| Wednesday Night | 52°F | Showers And Thunderstorms Likely | 12 to 15 mph E | 58% |
| Thursday | 64°F | Chance Rain Showers | 8 to 12 mph E | 42% |
| Thursday Night | 52°F | Slight Chance Rain Showers | 5 to 8 mph NE | 16% |
| Friday | 68°F | Partly Sunny then Slight Chance Rain Showers | 5 to 9 mph N | 18% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cortland, OH
Last spring frost
Apr 30
First fall frost
Oct 23
Growing season
176 days
Hardiness zone
6a
Explore more for Cortland, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Mosquito Creek Lake, Oh (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.