Belfast, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Belfast, a community in Allegany County, New York.
This Afternoon
67°F
Mostly Sunny
Mostly sunny, with a high near 67. South wind 3 to 7 mph.
7-day forecast for Belfast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Sunny | 3 to 7 mph S | 3% |
| Tonight | 52°F | Partly Cloudy | 5 mph SE | 4% |
| Wednesday | 75°F | Mostly Sunny | 3 to 7 mph S | 4% |
| Wednesday Night | 58°F | Light Rain | 8 mph S | 81% |
| Thursday | 70°F | Light Rain Likely | 6 to 9 mph SW | 61% |
| Thursday Night | 45°F | Partly Cloudy then Patchy Fog | 3 mph SW | 8% |
| Friday | 63°F | Patchy Fog then Slight Chance Light Rain | 3 mph W | 19% |
| Friday Night | 42°F | Chance Light Rain then Areas Of Fog | 1 mph NW | 39% |
| Saturday | 53°F | Chance Light Rain | 2 to 7 mph NW | 47% |
| Saturday Night | 35°F | Chance Light Rain | 5 mph W | 38% |
| Sunday | 52°F | Partly Sunny | 3 to 8 mph W | 14% |
| Sunday Night | 33°F | Chance Light Rain | 5 mph W | 25% |
| Monday | 53°F | Chance Light Rain | 5 to 9 mph W | 27% |
| Monday Night | 35°F | Chance Light Rain | 6 mph SW | 27% |
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 3, 2026.