Port Chester, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Port Chester, a village in Westchester County, New York.
This Afternoon
69°F
Mostly Sunny
Mostly sunny, with a high near 69. East wind around 6 mph.
7-day forecast for Port Chester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 6 mph E | 0% |
| Tonight | 59°F | Mostly Cloudy | 7 mph SE | 5% |
| Sunday | 70°F | Rain Showers then Rain | 7 to 12 mph SE | 90% |
| Sunday Night | 57°F | Rain then Rain Showers Likely | 7 to 13 mph SW | 85% |
| Monday | 69°F | Slight Chance Rain Showers | 8 to 13 mph NE | 22% |
| Monday Night | 53°F | Chance Rain Showers | 8 to 12 mph NE | 26% |
| Tuesday | 65°F | Chance Rain Showers | 13 mph NE | 26% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 12 to 15 mph NE | 23% |
| Wednesday | 66°F | Mostly Cloudy | 17 mph NE | 9% |
| Wednesday Night | 51°F | Slight Chance Rain Showers | 17 mph NE | 20% |
| Thursday | 65°F | Chance Rain Showers | 17 mph NE | 29% |
| Thursday Night | 51°F | Chance Rain Showers | 17 mph NE | 36% |
| Friday | 65°F | Chance Rain Showers | 16 to 21 mph N | 39% |
| Friday Night | 53°F | Chance Rain Showers | 15 to 20 mph N | 37% |
Forecast source: National Weather Service (api.weather.gov) for Port Chester (41.005, -73.667). Updated through the day.
Growing snapshot for Port Chester
Last spring frost
Apr 12
First fall frost
Oct 31
Growing season
200 days
Hardiness zone
7b
More local growing data for Port Chester: nearby ZIP 10573 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
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Armonk
Bedford
Bedford Hills
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Chappaqua
Crompond
Croton-on-Hudson
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Dobbs Ferry
Eastchester
Elmsford
Fairview
Golden's Bridge
Greenville
Harrison
Hartsdale
Hastings-on-Hudson
Hawthorne
Heritage Hills
Irvington
Jefferson Valley-Yorktown
Katonah
Lake Mohegan
Larchmont
Lincolndale
Mamaroneck
Millwood
Climate data from the nearest NOAA station, Westchester Co Ap, Ny (3.9 mi from Port Chester). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.