South Plainfield, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Plainfield, NJ in one place.
Mostly sunny, with a high near 70. North wind around 15 mph, with gusts as high as 30 mph.
Local Weather Overview
This forecast page for South Plainfield, NJ is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 28, 2026 8:16 PM EDT.
The active forecast window currently covers May 30 to Jun 4, 2026 for South Plainfield, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 4, 2026
- Latest sync
- May 28, 2026 8:16 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in South Plainfield
Thursday looks like the warmest upcoming period in South Plainfield at 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Saturday at about 15 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 8:16 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- PHI
- Radar station
- KDIX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 49. North wind 0 to 10 mph.
Sunny, with a high near 77.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 55.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 75. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
A chance of rain showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
A slight chance of rain showers before 8pm. Mostly clear, with a low around 55.
Sunny, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
70°F |
15 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
49°F |
0 to 10 mph
N
|
|
Sunday
May 31
|
Sunny
|
77°F |
0 to 10 mph
NW
|
|
Sunday Night
May 31
|
Partly Cloudy
|
56°F |
5 to 10 mph
W
|
|
Monday
Jun 1
|
Mostly Sunny
|
77°F |
5 to 10 mph
W
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
55°F |
0 to 5 mph
N
|
|
Tuesday
Jun 2
|
Chance Showers And Thunderstorms
|
75°F |
5 to 10 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
54°F |
5 to 10 mph
N
|
|
Wednesday
Jun 3
|
Chance Rain Showers
|
75°F |
5 to 10 mph
N
|
|
Wednesday Night
Jun 3
|
Slight Chance Rain Showers then Mostly Clear
|
55°F |
0 to 5 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
80°F |
5 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Plainfield.
