Southport, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Southport, a community in Chemung County, New York.
Tonight
58°F
Rain Showers
Rain showers after 10pm. Cloudy, with a low around 58. Southeast wind 1 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Southport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Rain Showers | 1 to 6 mph SE | 96% |
| Sunday | 69°F | Showers And Thunderstorms | 7 mph S | 99% |
| Sunday Night | 46°F | Mostly Cloudy | 3 to 8 mph N | 11% |
| Monday | 64°F | Partly Sunny | 5 to 8 mph N | 1% |
| Monday Night | 44°F | Mostly Cloudy then Chance Rain Showers | 1 to 6 mph NE | 31% |
| Tuesday | 62°F | Chance Rain Showers | 1 to 6 mph E | 31% |
| Tuesday Night | 43°F | Chance Rain Showers then Mostly Cloudy | 5 mph E | 26% |
| Wednesday | 61°F | Mostly Cloudy | 2 to 8 mph E | 6% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph E | 15% |
| Thursday | 60°F | Slight Chance Rain Showers | 2 to 6 mph E | 18% |
| Thursday Night | 43°F | Slight Chance Rain Showers | 0 to 5 mph NE | 21% |
| Friday | 64°F | Chance Rain Showers | 1 to 7 mph N | 27% |
| Friday Night | 44°F | Chance Rain Showers | 2 to 7 mph N | 27% |
| Saturday | 67°F | Slight Chance Rain Showers | 5 to 8 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov) for Southport (42.065, -76.822). Updated through the day.
Growing snapshot for Southport
Last spring frost
May 6
First fall frost
Oct 11
Growing season
158 days
Hardiness zone
6a
More local growing data for Southport: nearby ZIP 14904 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Big Flats
Breesport
Elmira
Elmira Heights
Erin
Horseheads
Horseheads North
Millport
Pine Valley
Van Etten
Wellsburg
West Elmira
Climate data from the nearest NOAA station, Elmira, Ny (2.5 mi from Southport). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.