Plainsboro, NJ Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Plainsboro, NJ in one place.
Sunny, with a high near 82. North wind 0 to 5 mph.
Local Weather Overview
This forecast page for Plainsboro, 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: Aug 28, 2026 7:10 PM EDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Plainsboro, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 7:10 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Plainsboro
Monday looks like the warmest upcoming period in Plainsboro at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Saturday at about 0 to 5 mph N.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 7:10 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 59. North wind around 0 mph.
A chance of rain showers between 2pm and 5pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 2pm. Partly sunny, with a high near 87.
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 68.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of rain showers before 2am. Partly cloudy, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Sunny
|
82°F |
0 to 5 mph
N
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
59°F |
0 mph
|
|
Sunday
Aug 30
|
Partly Sunny then Chance Showers And Thunderstorms
|
86°F |
0 to 5 mph
SW
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
SW
|
|
Monday
Aug 31
|
Partly Sunny then Slight Chance Rain Showers
|
87°F |
0 mph
|
|
Monday Night
Aug 31
|
Slight Chance Showers And Thunderstorms
|
68°F |
0 mph
|
|
Tuesday
Sep 1
|
Partly Sunny then Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
SW
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
70°F |
0 to 5 mph
S
|
|
Wednesday
Sep 2
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
87°F |
0 to 5 mph
SW
|
|
Wednesday Night
Sep 2
|
Chance Showers And Thunderstorms
|
69°F |
0 to 5 mph
SW
|
|
Thursday
Sep 3
|
Chance Rain Showers
|
87°F |
0 to 5 mph
W
|
|
Thursday Night
Sep 3
|
Chance Rain Showers
|
67°F |
0 to 5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Plainsboro.
