Port Byron, NY Weather & Growing Conditions
Today
75°F
Partly Sunny
Partly sunny, with a high near 75. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Partly Sunny | 10 mph S | 4% |
| Tonight | 60°F | Light Rain Likely | 12 mph S | 70% |
| Thursday | 72°F | Light Rain | 2 to 12 mph SW | 91% |
| Thursday Night | 49°F | Mostly Cloudy | 2 mph W | 3% |
| Friday | 65°F | Mostly Cloudy | 3 mph S | 13% |
| Friday Night | 44°F | Chance Light Rain | 2 mph NW | 42% |
| Saturday | 55°F | Light Rain Likely | 3 to 8 mph NW | 62% |
| Saturday Night | 39°F | Light Rain Likely | 6 mph NW | 62% |
| Sunday | 54°F | Chance Light Rain | 6 to 9 mph W | 32% |
| Sunday Night | 36°F | Slight Chance Light Rain | 6 mph W | 24% |
| Monday | 54°F | Chance Light Rain | 7 to 10 mph W | 35% |
| Monday Night | 36°F | Slight Chance Light Rain | 5 mph SW | 23% |
| Tuesday | 58°F | Chance Light Rain | 5 to 13 mph SW | 28% |
| Tuesday Night | 35°F | Chance Light Rain | 3 to 7 mph W | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Byron, NY
Last spring frost
May 2
First fall frost
Oct 18
Growing season
166 days
Hardiness zone
6a
Explore more for Port Byron, NY: full frost dates · planting calendar · New York frost dates
Climate data from the nearest NOAA station, Auburn, Ny (9.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.