Belfast, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belfast, a community in Allegany County, New York.
Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. South wind around 6 mph.
7-day forecast for Belfast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Partly Cloudy | 6 mph S | 0% |
| Wednesday | 76°F | Partly Sunny | 3 to 9 mph S | 0% |
| Wednesday Night | 58°F | Rain Showers | 9 mph S | 94% |
| Thursday | 70°F | Rain Showers | 6 to 9 mph SW | 94% |
| Thursday Night | 45°F | Partly Cloudy | 3 mph SW | 8% |
| Friday | 63°F | Chance Rain Showers | 3 mph W | 19% |
| Friday Night | 42°F | Chance Rain Showers | 1 mph NW | 39% |
| Saturday | 53°F | Chance Rain Showers | 2 to 7 mph NW | 47% |
| Saturday Night | 35°F | Chance Rain Showers | 5 mph W | 38% |
| Sunday | 52°F | Partly Sunny | 3 to 8 mph W | 14% |
| Sunday Night | 33°F | Chance Rain Showers | 5 mph W | 25% |
| Monday | 53°F | Chance Light Rain | 5 to 9 mph W | 27% |
| Monday Night | 35°F | Chance Light Rain then Slight Chance Rain Showers | 6 mph SW | 27% |
| Tuesday | 55°F | Slight Chance Light Rain | 6 to 12 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov) for Belfast (42.341, -78.118). Updated through the day.
Growing snapshot for Belfast
Last spring frost
May 21
First fall frost
Sep 30
Growing season
130 days
Hardiness zone
5b
More local growing data for Belfast: nearby ZIP 14711 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Alfred
Almond
Andover
Angelica
Belmont
Bolivar
Cuba
Fillmore
Friendship
Houghton
Portville
Richburg
Rushford
Scio
Stannards
Wellsville
Climate data from the nearest NOAA station, Angelica, Ny (5.4 mi from Belfast). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.