Allegany, NY Weather & Growing Conditions
This Afternoon
69°F
Mostly Cloudy
Mostly cloudy, with a high near 69. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Cloudy | 5 mph SE | 8% |
| Tonight | 55°F | Rain Showers | 1 to 5 mph SE | 89% |
| Sunday | 67°F | Showers And Thunderstorms | 6 mph NW | 91% |
| Sunday Night | 42°F | Mostly Cloudy | 2 to 6 mph NE | 6% |
| Monday | 63°F | Mostly Cloudy | 7 mph NE | 2% |
| Monday Night | 42°F | Mostly Cloudy then Chance Rain Showers | 3 to 7 mph NE | 28% |
| Tuesday | 61°F | Chance Rain Showers | 3 to 7 mph E | 28% |
| Tuesday Night | 42°F | Chance Rain Showers | 5 to 8 mph E | 27% |
| Wednesday | 60°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph E | 21% |
| Wednesday Night | 41°F | Slight Chance Rain Showers | 5 to 8 mph SE | 23% |
| Thursday | 61°F | Slight Chance Rain Showers | 6 mph E | 23% |
| Thursday Night | 41°F | Slight Chance Rain Showers | 0 to 5 mph E | 19% |
| Friday | 65°F | Slight Chance Rain Showers | 1 to 6 mph NE | 15% |
| Friday Night | 42°F | Partly Cloudy | 1 to 6 mph N | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Allegany, NY
Last spring frost
May 7
First fall frost
Oct 11
Growing season
156 days
Hardiness zone
5b
Explore more for Allegany, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Olean, Ny (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.