Plainsboro, NJ weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Plainsboro now
Loading the National Weather Service forecast…
Plainsboro weather by the hour
Plainsboro weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Plainsboro.
This week in Plainsboro
Sunrise, sunset and moon in Plainsboro
What is the weather usually like in Plainsboro?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 87°F average high
- Januarycoldest month · 22°F average low
- 47.4 inprecipitation per year · 1,205 mm
- 23.7 insnowfall per year · 60 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Plainsboro: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station HIGHTSTOWN 2 W, NJ US (USC00283951), adjusted for the elevation of Plainsboro.
Plainsboro weather month by month
Sunrise and sunset in Plainsboro through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 AM | 4:58 PM | 9 h 40 min |
| February | 6:49 AM | 5:35 PM | 10 h 45 min |
| March | 7:07 AM | 7:06 PM | 11 h 58 min |
| April | 6:18 AM | 7:38 PM | 13 h 20 min |
| May | 5:40 AM | 8:09 PM | 14 h 28 min |
| June | 5:26 AM | 8:31 PM | 15 h 5 min |
| July | 5:39 AM | 8:28 PM | 14 h 48 min |
| August | 6:08 AM | 7:57 PM | 13 h 49 min |
| September | 6:38 AM | 7:08 PM | 12 h 30 min |
| October | 7:08 AM | 6:20 PM | 11 h 12 min |
| November | 6:43 AM | 4:42 PM | 9 h 59 min |
| December | 7:12 AM | 4:34 PM | 9 h 21 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Plainsboro?
Plainsboro has a hot-summer humid continental climate. The warmest month is July, with an average high of 87°F (30°C), and the coldest is January, with average lows of 22°F (-6°C).
It gets about 47.4 inches (1,205 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 24 inches fall in an average year.
The best time to visit Plainsboro is May–June and August–September. At 79 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Plainsboro
Weather in towns near Plainsboro
Questions about the weather in Plainsboro
What is the hottest month in Plainsboro?
July, with an average high of 87°F (30°C).
What is the coldest month in Plainsboro?
January, with an average low of 22°F (-6°C).
How much does it rain in Plainsboro?
About 47.4 inches (1,205 mm) a year; the wettest month is July.
Does it snow in Plainsboro?
Yes, about 24 inches of snow fall in an average year.
When is the best time to visit Plainsboro?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Plainsboro have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Plainsboro in November?
Highs average 55°F and lows 33°F, with about 3.3 inches of precipitation.
What time is sunrise in Plainsboro?
Around 6:43 AM in mid-November, and sunset around 4:42 PM. Today’s exact times are shown above.
Where does this Plainsboro weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Plainsboro.
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