Belfast, NY Weather & Growing Conditions
Tonight
47°F
Mostly Cloudy
Mostly cloudy, with a low around 47. Northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Mostly Cloudy | 1 mph NE | 1% |
| Saturday | 68°F | Partly Sunny | 2 mph E | 2% |
| Saturday Night | 54°F | Mostly Cloudy then Showers And Thunderstorms | 3 mph SE | 82% |
| Sunday | 67°F | Showers And Thunderstorms | 2 to 6 mph W | 86% |
| Sunday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 6 mph NE | 53% |
| Monday | 62°F | Mostly Cloudy | 8 mph NE | 4% |
| Monday Night | 44°F | Chance Rain Showers | 3 to 8 mph NE | 36% |
| Tuesday | 60°F | Chance Rain Showers | 3 to 7 mph E | 39% |
| Tuesday Night | 43°F | Chance Rain Showers | 3 to 7 mph E | 47% |
| Wednesday | 58°F | Chance Rain Showers | 7 mph SE | 47% |
| Wednesday Night | 44°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 48% |
| Thursday | 60°F | Chance Showers And Thunderstorms | 5 mph E | 48% |
| Thursday Night | 46°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 38% |
| Friday | 65°F | Partly Sunny | 1 to 5 mph N | 12% |
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 (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.