Belfast, NY Weather & Growing Conditions
Today
80°F
Areas Of Fog then Sunny
Areas of fog before 10am. Sunny, with a high near 80. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Areas Of Fog then Sunny | 5 mph S | 0% |
| Tonight | 59°F | Mostly Clear | 5 mph S | 0% |
| Wednesday | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph S | 31% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 5 mph S | 32% |
| Thursday | 81°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph SW | 82% |
| Thursday Night | 64°F | Showers And Thunderstorms | 3 mph SW | 82% |
| Friday | 80°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 3 mph SW | 83% |
| Friday Night | 63°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 83% |
| Saturday | 80°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph W | 48% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 48% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 6 mph SW | 25% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 8 mph SW | 29% |
| Monday | 80°F | Chance Rain Showers | 8 mph W | 42% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 7 mph W | 54% |
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 Aug 4, 2026.