What is today's weather forecast for Plainsboro, NJ?

Today's forecast for Plainsboro shows a low of 28 degrees Fahrenheit. Cloudy, with a low around 28.

What is the 7-day weather forecast for Plainsboro, NJ?

The 7-day forecast for Plainsboro shows highs from 36 to 47 degrees and lows from 18 to 29 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Plainsboro, NJ this week?

Yes, rain is possible in Plainsboro this week. Precipitation chances: Sunday (70% chance), Monday (30% chance), Tuesday (90% chance), Friday (50% chance), Saturday (30% chance).

How accurate is the Plainsboro weather forecast?

WeatherForYou provides highly accurate Plainsboro forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Plainsboro, NJ Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

31°F
Feels Like 31°F

Humidity 84% Dew Point 26°F Wind Calm Barometer 30.38 in.

Report from a personal weather station 1.2 mi. ESE of central Plainsboro
at 1:38 AM Sun, Nov 30, 2025

Point Forecast at a Glance

SatNov 29

SunNov 30

70%

MonDec 1

TueDec 2

90%

WedDec 3

ThuDec 4

FriDec 5

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 47°F to 36°F. Unsettled weather expected with snow likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for November-December. Normal highs for this period are around 49°F with lows around 31°F.

This Date in Weather History

1969 - Dense fog along the Jersey Turnpike resulted in a chain reaction of vehicle collisions during the morning rush hour. A propane truck jacknifed and was struck by a trailor truck, and other vehicles piled into the fiery mass.

Plainsboro, NJ 7 Day Weather Forecast Details

Saturday Nov 29

Night: Cloudy, with a low around 28. Calm wind.

Sunday Nov 30

Day: Rain likely, mainly after 1pm. Cloudy, with a high near 47. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. West wind around 10 mph, with gusts as high as 20 mph.

Monday Dec 1

Day: Sunny, with a high near 43. Northwest wind 5 to 10 mph.

Night: A chance of snow after 1am. Mostly cloudy, with a low around 24. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

Tuesday Dec 2

Day: Rain and snow, becoming all rain after 1pm. High near 40. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

Night: A chance of rain before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 50%.

Wednesday Dec 3

Day: Sunny, with a high near 41.

Night: Partly cloudy, with a low around 26.

Thursday Dec 4

Day: Partly sunny, with a high near 42.

Night: Partly cloudy, with a low around 18.

Friday Dec 5

Day: Partly sunny, with a high near 36.

Night: A chance of snow. Mostly cloudy, with a low around 24. Chance of precipitation is 50%.

Saturday Dec 6

Day: A chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 30%.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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