Southport, NY Weather & Growing Conditions
Today
69°F
Partly Sunny
Partly sunny, with a high near 69. South wind 6 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Partly Sunny | 6 to 10 mph S | 2% |
| Tonight | 57°F | Mostly Cloudy then Light Rain | 12 mph S | 82% |
| Thursday | 69°F | Light Rain | 7 to 12 mph SW | 82% |
| Thursday Night | 47°F | Partly Cloudy | 2 to 6 mph SW | 4% |
| Friday | 62°F | Partly Sunny | 5 mph S | 8% |
| Friday Night | 43°F | Chance Light Rain | 3 mph W | 25% |
| Saturday | 52°F | Chance Light Rain | 3 to 9 mph W | 50% |
| Saturday Night | 38°F | Chance Light Rain | 9 mph W | 50% |
| Sunday | 52°F | Slight Chance Light Rain | 6 to 10 mph W | 15% |
| Sunday Night | 35°F | Partly Cloudy | 8 mph W | 9% |
| Monday | 52°F | Mostly Sunny | 8 to 12 mph W | 13% |
| Monday Night | 34°F | Partly Cloudy | 7 mph W | 13% |
| Tuesday | 55°F | Mostly Sunny | 7 to 12 mph W | 13% |
| Tuesday Night | 34°F | Partly Cloudy | 8 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Southport, NY
Last spring frost
May 6
First fall frost
Oct 11
Growing season
158 days
Hardiness zone
5b
Explore more for Southport, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Elmira, Ny (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.