Phillipsburg, NJ Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Phillipsburg, a town in Warren County, New Jersey.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Wind around 0 mph.
7-day forecast for Phillipsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 mph | 0% |
| Tonight | 63°F | Mostly Cloudy | 0 mph | 1% |
| Wednesday | 83°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 48% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 0 mph | 59% |
| Thursday | 89°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 74% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 74% |
| Friday | 89°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 to 5 mph W | 57% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph W | 57% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 45% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 45% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 12% |
| Sunday Night | 69°F | Mostly Clear | 0 to 5 mph SW | 12% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 16% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov) for Phillipsburg (40.692, -75.179). Updated through the day.
Growing snapshot for Phillipsburg
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
More local growing data for Phillipsburg: nearby ZIP 08865 weather · frost dates · planting calendar · New Jersey frost dates
Nearby towns & communities
Allamuchy
Alpha
Anderson
Belvidere
Blairstown
Brass Castle
Bridgeville
Broadway
Brookfield
Buttzville
Delaware
Delaware Park
Great Meadows
Greenwich
Hackettstown
Hainesburg
Harmony
Hope
Johnsonburg
Lopatcong Overlook
Marksboro
Mount Hermon
Mountain Lake
New Village
Oxford
Panther Valley
Port Colden
Port Murray
Silver Lake
Stewartsville
Climate data from the nearest NOAA station, Phillipsburg-Easton Brg, Nj (2.9 mi from Phillipsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.