Belfast, NY Weather & Growing Conditions
Overnight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. East wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Cloudy | 3 mph E | 1% |
| Saturday | 67°F | Partly Sunny | 3 mph SE | 1% |
| Saturday Night | 55°F | Rain Showers Likely | 2 to 7 mph SE | 61% |
| Sunday | 64°F | Showers And Thunderstorms | 6 mph W | 90% |
| Sunday Night | 44°F | Chance Rain Showers then Mostly Cloudy | 7 mph NE | 46% |
| Monday | 58°F | Mostly Cloudy | 8 mph NE | 1% |
| Monday Night | 42°F | Mostly Cloudy then Chance Rain Showers | 5 to 8 mph NE | 27% |
| Tuesday | 58°F | Chance Rain Showers | 7 mph E | 27% |
| Tuesday Night | 42°F | Chance Rain Showers | 7 mph E | 27% |
| Wednesday | 57°F | Chance Rain Showers | 7 mph E | 30% |
| Wednesday Night | 43°F | Chance Rain Showers | 7 mph SE | 40% |
| Thursday | 59°F | Chance Rain Showers | 6 mph E | 40% |
| Thursday Night | 43°F | Slight Chance Rain Showers | 2 to 6 mph NE | 18% |
| Friday | 62°F | Slight Chance Rain Showers | 6 mph NE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Belfast, NY
Last spring frost
May 21
First fall frost
Sep 30
Growing season
130 days
Hardiness zone
5b
Explore more for Belfast, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Angelica, Ny (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.