South Plainfield, NJ Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for South Plainfield, NJ in one place.
Sunny, with a high near 64. Northwest wind 10 to 15 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: Apr 10, 2026 1:57 PM EDT.
The active forecast window currently covers Apr 11 to Apr 16, 2026 for South Plainfield, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 11 to Apr 16, 2026
- Latest sync
- Apr 10, 2026 1:57 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in South Plainfield
Wednesday looks like the warmest upcoming period in South Plainfield at 86 degrees F.
Saturday Night is the coolest period ahead with temperatures near 40 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 10, 2026 1:57 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
Mostly clear, with a low around 40. North wind 0 to 10 mph.
Mostly sunny, with a high near 64. East wind 0 to 10 mph.
Mostly cloudy, with a low around 49.
Mostly cloudy, with a high near 77.
Partly cloudy, with a low around 58.
Partly sunny, with a high near 83.
A slight chance of rain showers between 8pm and 2am. Mostly cloudy, with a low around 61.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 86.
A slight chance of rain showers before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 63.
Partly sunny, with a high near 83.
A slight chance of rain showers after 2am. Mostly cloudy, with a low around 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Sunny
|
64°F |
10 to 15 mph
NW
|
|
Saturday Night
Apr 11
|
Mostly Clear
|
40°F |
0 to 10 mph
N
|
|
Sunday
Apr 12
|
Mostly Sunny
|
64°F |
0 to 10 mph
E
|
|
Sunday Night
Apr 12
|
Mostly Cloudy
|
49°F |
5 mph
S
|
|
Monday
Apr 13
|
Mostly Cloudy
|
77°F |
5 to 15 mph
SW
|
|
Monday Night
Apr 13
|
Partly Cloudy
|
58°F |
5 to 10 mph
W
|
|
Tuesday
Apr 14
|
Partly Sunny
|
83°F |
5 to 10 mph
W
|
|
Tuesday Night
Apr 14
|
Slight Chance Rain Showers
|
61°F |
0 to 5 mph
SW
|
|
Wednesday
Apr 15
|
Partly Sunny then Slight Chance Rain Showers
|
86°F |
0 to 10 mph
SW
|
|
Wednesday Night
Apr 15
|
Slight Chance Showers And Thunderstorms
|
63°F |
5 to 10 mph
SW
|
|
Thursday
Apr 16
|
Partly Sunny
|
83°F |
5 to 10 mph
W
|
|
Thursday Night
Apr 16
|
Mostly Cloudy then Slight Chance Rain Showers
|
59°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Plainfield.
