Belfast, NY Weather & Growing Conditions
Today
73°F
Mostly Cloudy
Mostly cloudy, with a high near 73. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Cloudy | 10 mph S | 0% |
| Tonight | 57°F | Rain Showers | 14 mph S | 82% |
| Thursday | 67°F | Rain Showers | 6 to 12 mph SW | 86% |
| Thursday Night | 46°F | Partly Cloudy | 6 mph SW | 0% |
| Friday | 60°F | Mostly Cloudy then Chance Rain Showers | 5 mph SW | 32% |
| Friday Night | 41°F | Rain Showers Likely | 5 mph W | 62% |
| Saturday | 48°F | Rain Showers Likely | 7 mph W | 66% |
| Saturday Night | 36°F | Rain Showers Likely | 8 mph NW | 66% |
| Sunday | 50°F | Slight Chance Rain Showers | 9 mph W | 18% |
| Sunday Night | 35°F | Slight Chance Rain Showers | 10 mph W | 23% |
| Monday | 50°F | Chance Rain Showers | 9 mph W | 28% |
| Monday Night | 36°F | Chance Rain Showers then Partly Cloudy | 9 mph SW | 26% |
| Tuesday | 53°F | Mostly Sunny then Slight Chance Rain Showers | 10 mph W | 19% |
| Tuesday Night | 35°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 9 mph W | 19% |
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 Nov 4, 2026.