Belfast, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belfast, a community in Allegany County, New York.
Today
82°F
Sunny
Sunny, with a high near 82. South wind around 5 mph.
7-day forecast for Belfast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 5 mph S | 0% |
| Tonight | 59°F | Mostly Clear | 0 to 6 mph S | 0% |
| Wednesday | 84°F | Chance Showers And Thunderstorms | 5 mph S | 30% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 3 mph S | 33% |
| Thursday | 83°F | Showers And Thunderstorms | 5 mph SW | 82% |
| Thursday Night | 64°F | Showers And Thunderstorms | 2 mph SW | 82% |
| Friday | 82°F | Showers And Thunderstorms | 3 mph SW | 83% |
| Friday Night | 62°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 83% |
| Saturday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph W | 49% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 49% |
| Sunday | 84°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 25% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 5 mph SW | 27% |
| Monday | 82°F | Chance Rain Showers | 5 to 8 mph W | 42% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 2 to 7 mph W | 53% |
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 Aug 4, 2026.