Jamesport, NY Weather & Growing Conditions
Tonight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. North wind 3 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Partly Cloudy | 3 to 12 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 10 mph E | 0% |
| Saturday Night | 57°F | Mostly Cloudy | 3 to 7 mph E | 1% |
| Sunday | 70°F | Showers And Thunderstorms | 3 to 12 mph SE | 76% |
| Sunday Night | 58°F | Showers And Thunderstorms | 6 to 12 mph SE | 90% |
| Monday | 69°F | Rain Showers Likely | 10 to 15 mph NE | 67% |
| Monday Night | 56°F | Chance Rain Showers | 10 to 17 mph NE | 27% |
| Tuesday | 65°F | Chance Rain Showers | 17 to 21 mph NE | 25% |
| Tuesday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 17 to 21 mph NE | 24% |
| Wednesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 21 to 25 mph NE | 15% |
| Wednesday Night | 55°F | Chance Rain Showers | 20 to 23 mph NE | 31% |
| Thursday | 65°F | Chance Rain Showers | 24 mph NE | 35% |
| Thursday Night | 55°F | Chance Rain Showers | 15 to 21 mph NE | 37% |
| Friday | 67°F | Chance Rain Showers | 16 to 20 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jamesport, NY
Last spring frost
Apr 19
First fall frost
Nov 1
Growing season
196 days
Explore more for Jamesport, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Mattituck, Ny (4.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.