Cortland, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cortland, a city in Cortland County, New York.
Today
66°F
Mostly Sunny
Mostly sunny, with a high near 66. East wind around 2 mph.
7-day forecast for Cortland
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Mostly Sunny | 2 mph E | 0% |
| Tonight | 49°F | Mostly Cloudy then Rain | 1 to 8 mph SE | 80% |
| Sunday | 63°F | Rain | 6 to 10 mph S | 95% |
| Sunday Night | 41°F | Chance Light Rain then Areas Of Fog | 3 to 7 mph N | 25% |
| Monday | 61°F | Patchy Fog then Partly Sunny | 3 to 7 mph N | 0% |
| Monday Night | 39°F | Mostly Cloudy | 1 to 6 mph NE | 4% |
| Tuesday | 61°F | Mostly Cloudy | 2 to 6 mph E | 8% |
| Tuesday Night | 39°F | Mostly Cloudy | 2 to 6 mph E | 6% |
| Wednesday | 61°F | Mostly Cloudy | 3 to 8 mph E | 8% |
| Wednesday Night | 40°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph E | 16% |
| Thursday | 60°F | Chance Rain Showers | 6 mph E | 27% |
| Thursday Night | 41°F | Chance Rain Showers | 0 to 5 mph NE | 28% |
| Friday | 63°F | Chance Rain Showers | 1 to 7 mph N | 25% |
| Friday Night | 41°F | Slight Chance Rain Showers | 1 to 6 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Cortland (42.601, -76.179). Updated through the day.
Growing snapshot for Cortland
Last spring frost
May 7
First fall frost
Oct 8
Growing season
154 days
Hardiness zone
5b
More local growing data for Cortland: nearby ZIP 13045 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Freeville 1 Ne, Ny (8.5 mi from Cortland). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.