Port Byron, NY Weather & Growing Conditions
Today
82°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny, with a high near 82. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Patchy Fog then Sunny | 3 mph SW | 0% |
| Tonight | 62°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 86°F | Mostly Sunny | 6 mph S | 0% |
| Wednesday Night | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph S | 21% |
| Thursday | 86°F | Showers And Thunderstorms | 5 mph SW | 81% |
| Thursday Night | 68°F | Showers And Thunderstorms | 2 mph SW | 81% |
| Friday | 83°F | Showers And Thunderstorms Likely | 3 mph SW | 67% |
| Friday Night | 66°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 67% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 44% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 2 mph SW | 44% |
| Sunday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 6 mph SW | 25% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 40% |
| Monday | 83°F | Chance Rain Showers | 5 to 8 mph W | 46% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 2 to 6 mph W | 46% |
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 (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.