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 91. West wind 5 to 10 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: Jul 12, 2026 9:55 AM EDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for South Plainfield, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 9:55 AM 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 97 degrees F.
Friday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph W.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 9:55 AM EDT
- Coverage
- 5 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 71.
Sunny, with a high near 97.
Partly cloudy, with a low around 71.
Mostly sunny, with a high near 91.
Partly cloudy, with a low around 69.
Mostly sunny, with a high near 89.
A slight chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 68.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
5 to 10 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
71°F |
5 to 10 mph
SW
|
|
Wednesday
Jul 15
|
Sunny
|
97°F |
5 to 10 mph
W
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
71°F |
0 to 10 mph
NW
|
|
Thursday
Jul 16
|
Mostly Sunny
|
91°F |
0 to 10 mph
NW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
69°F |
0 to 5 mph
NW
|
|
Friday
Jul 17
|
Mostly Sunny
|
89°F |
0 to 5 mph
NW
|
|
Friday Night
Jul 17
|
Slight Chance Rain Showers
|
68°F |
0 to 5 mph
NW
|
|
Saturday
Jul 18
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
90°F |
0 to 5 mph
NW
|
|
Saturday Night
Jul 18
|
Chance Showers And Thunderstorms
|
68°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Plainfield.
