Northampton, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northampton, a community in Suffolk County, New York.
This Afternoon
66°F
Partly Sunny
Partly sunny. High near 66, with temperatures falling to around 61 in the afternoon. Southwest wind around 8 mph.
7-day forecast for Northampton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Partly Sunny | 8 mph SW | 0% |
| Tonight | 53°F | Partly Cloudy | 5 mph SW | 3% |
| Wednesday | 70°F | Sunny | 3 to 10 mph SW | 3% |
| Wednesday Night | 57°F | Partly Cloudy | 6 mph SW | 1% |
| Thursday | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SW | 16% |
| Thursday Night | 59°F | Rain Showers | 8 mph SW | 84% |
| Friday | 67°F | Showers And Thunderstorms | 7 mph SW | 93% |
| Friday Night | 54°F | Showers And Thunderstorms then Light Rain | 5 mph SW | 93% |
| Saturday | 64°F | Light Rain Likely | 5 to 8 mph NW | 65% |
| Saturday Night | 43°F | Slight Chance Light Rain | 7 mph NW | 23% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 8 mph NW | 15% |
| Sunday Night | 40°F | Partly Cloudy | 5 to 9 mph W | 13% |
| Monday | 58°F | Chance Light Rain | 9 to 13 mph NW | 29% |
| Monday Night | 40°F | Chance Light Rain | 10 mph W | 29% |
Forecast source: National Weather Service (api.weather.gov) for Northampton (40.875, -72.684). Updated through the day.
Growing snapshot for Northampton
Last spring frost
May 7
First fall frost
Oct 14
Growing season
160 days
Hardiness zone
7a
More local growing data for Northampton: nearby ZIP 11977 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
Amagansett
Amityville
Aquebogue
Asharoken
Babylon
Baiting Hollow
Bay Shore
Bayport
Baywood
Belle Terre
Bellport
Blue Point
Bohemia
Brentwood
Bridgehampton
Brightwaters
Brookhaven
Calverton
Captree
Center Moriches
Centereach
Centerport
Central Islip
Cold Spring Harbor
Commack
Copiague
Coram
Cutchogue
Deer Park
Dering Harbor
Climate data from the nearest NOAA station, Westhamptn Gabreski Ap, Ny (2.7 mi from Northampton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.