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 78. South wind 0 to 5 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: Oct 12, 2026 10:41 AM EDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for South Plainfield, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 10:41 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 80 degrees F.
Saturday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Friday Night at about 10 to 15 mph NW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 10:41 AM 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 64. Southwest wind around 5 mph.
Mostly sunny, with a high near 80. West wind around 5 mph.
A slight chance of rain showers between 8pm and 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 20%.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 69.
A chance of rain showers. Partly cloudy, with a low around 54. Chance of precipitation is 50%.
Rain showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
A chance of rain showers before 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Mostly sunny, with a high near 54.
Mostly clear, with a low around 36.
Sunny, with a high near 56.
Mostly clear, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
78°F |
0 to 5 mph
S
|
|
Tuesday Night
Oct 13
|
Mostly Clear
|
64°F |
5 mph
SW
|
|
Wednesday
Oct 14
|
Mostly Sunny
|
80°F |
5 mph
W
|
|
Wednesday Night
Oct 14
|
Slight Chance Rain Showers
|
55°F |
0 to 5 mph
NW
|
|
Thursday
Oct 15
|
Mostly Sunny then Slight Chance Rain Showers
|
69°F |
0 to 5 mph
NE
|
|
Thursday Night
Oct 15
|
Chance Rain Showers
|
54°F |
0 to 5 mph
SE
|
|
Friday
Oct 16
|
Rain Showers Likely
|
73°F |
5 to 10 mph
SW
|
|
Friday Night
Oct 16
|
Chance Rain Showers
|
44°F |
10 to 15 mph
NW
|
|
Saturday
Oct 17
|
Mostly Sunny
|
54°F |
15 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
36°F |
5 to 15 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
56°F |
5 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
39°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around South Plainfield.
