Plainsboro, NJ Weather Forecast
Middlesex County, New Jersey
Live radar, warnings and storm tracking for Plainsboro, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Plainsboro
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Plainsboro, NJ at a glance
Plainsboro is home to about 23,874 people in Middlesex County, across 12 square miles. It ranks 108th by population of 450 places in New Jersey with a forecast here. The nearest neighbour with its own forecast is Cranbury, 4 miles away.
- County
- Middlesex County
- Population
- 23,874 2023 est.
- Land area
- 12 sq mi
- People per sq mi
- 2,030
- Forecast point
- 40.3378°N, 74.5807°W
How well can the network see Plainsboro?
The nearest Doppler radar is KDIX (Philadelphia, PA), to the SSE. Its lowest scan passes about 1,700 ft above Plainsboro. That is about as close as US radar coverage gets: low-level rotation and gust fronts over Plainsboro show up clearly. Plainsboro is closer to its radar than 73% of US cities.
The closest weather station is KTTN (Trenton/Mercer Arpt). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Plainsboro
- Cranbury, NJ4 mi
- West Windsor, NJ4 mi
- South Brunswick, NJ4 mi
- Princeton, NJ5 mi
- Hightstown, NJ6 mi
- East Windsor, NJ6 mi
- Jamesburg, NJ7 mi
- Lawrence, NJ8 mi
Elsewhere in New Jersey
NewarkJersey CityPatersonLakewoodElizabethEdisonAll New Jersey forecasts →