Plainsboro, NJ Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Plainsboro, NJ in one place.
Mostly sunny, with a high near 69. North wind 15 to 20 mph, with gusts as high as 35 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: May 28, 2026 8:18 PM EDT.
The active forecast window currently covers May 30 to Jun 4, 2026 for Plainsboro, NJ.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 4, 2026
- Latest sync
- May 28, 2026 8:18 PM EDT
- Forecast office
- PHI
- Source
- NOAA / NWS
Daily Outlook
This Week in Plainsboro
Thursday looks like the warmest upcoming period in Plainsboro at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Saturday at about 15 to 20 mph N.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 28, 2026 8:18 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 47. North wind 0 to 10 mph.
Sunny, with a high near 75.
Mostly clear, with a low around 54.
Mostly sunny, with a high near 77.
Partly cloudy, with a low around 53.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
A chance of rain showers. Mostly sunny, with a high near 73. Chance of precipitation is 30%.
A slight chance of rain showers before 8pm. Mostly clear, with a low around 53.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Mostly Sunny
|
69°F |
15 to 20 mph
N
|
|
Saturday Night
May 30
|
Partly Cloudy
|
47°F |
0 to 10 mph
N
|
|
Sunday
May 31
|
Sunny
|
75°F |
0 to 5 mph
NW
|
|
Sunday Night
May 31
|
Mostly Clear
|
54°F |
5 mph
SW
|
|
Monday
Jun 1
|
Mostly Sunny
|
77°F |
5 mph
W
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
53°F |
0 to 5 mph
NW
|
|
Tuesday
Jun 2
|
Chance Showers And Thunderstorms
|
74°F |
5 mph
N
|
|
Tuesday Night
Jun 2
|
Chance Showers And Thunderstorms
|
52°F |
0 to 5 mph
N
|
|
Wednesday
Jun 3
|
Chance Rain Showers
|
73°F |
5 to 10 mph
N
|
|
Wednesday Night
Jun 3
|
Slight Chance Rain Showers then Mostly Clear
|
53°F |
0 to 5 mph
NW
|
|
Thursday
Jun 4
|
Sunny
|
79°F |
5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Plainsboro.