Northport, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northport, a village in Suffolk County, New York.
This Afternoon
69°F
Partly Sunny
Partly sunny. High near 69, with temperatures falling to around 65 in the afternoon. South wind around 8 mph.
7-day forecast for Northport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Partly Sunny | 8 mph S | 0% |
| Tonight | 56°F | Partly Cloudy then Patchy Fog | 5 to 8 mph SW | 3% |
| Wednesday | 70°F | Sunny | 5 to 12 mph SW | 3% |
| Wednesday Night | 61°F | Partly Cloudy | 8 to 12 mph SW | 2% |
| Thursday | 69°F | Chance Rain Showers | 8 to 13 mph S | 26% |
| Thursday Night | 63°F | Rain Showers | 8 to 13 mph SW | 83% |
| Friday | 66°F | Showers And Thunderstorms | 8 mph S | 89% |
| Friday Night | 56°F | Showers And Thunderstorms | 7 mph W | 89% |
| Saturday | 65°F | Rain Showers Likely | 9 mph NW | 57% |
| Saturday Night | 47°F | Slight Chance Rain Showers | 12 mph NW | 20% |
| Sunday | 59°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 18% |
| Sunday Night | 45°F | Partly Cloudy | 12 mph W | 13% |
| Monday | 58°F | Chance Light Rain | 12 to 16 mph NW | 26% |
| Monday Night | 44°F | Chance Light Rain | 15 mph W | 26% |
Forecast source: National Weather Service (api.weather.gov) for Northport (40.904, -73.345). Updated through the day.
Growing snapshot for Northport
Last spring frost
Apr 9
First fall frost
Nov 10
Growing season
215 days
Hardiness zone
7b
More local growing data for Northport: nearby ZIP 11768 weather · frost dates · planting calendar · New York frost dates
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Brentwood
Bridgehampton
Brightwaters
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Calverton
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Center Moriches
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Centerport
Central Islip
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Dering Harbor
Climate data from the nearest NOAA station, Centerport, Ny (3.3 mi from Northport). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.