Iselin, NJ weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Iselin now
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Iselin weather by the hour
Iselin weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Iselin.
This week in Iselin
Sunrise, sunset and moon in Iselin
What is the weather usually like in Iselin?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Januarycoldest month · 24°F average low
- 48.7 inprecipitation per year · 1,238 mm
- 21.4 insnowfall per year · 54 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Iselin: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station PLAINFIELD, NJ US (USC00287079), adjusted for the elevation of Iselin.
Iselin weather month by month
Sunrise and sunset in Iselin through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 AM | 4:56 PM | 9 h 39 min |
| February | 6:49 AM | 5:33 PM | 10 h 44 min |
| March | 7:06 AM | 7:05 PM | 11 h 58 min |
| April | 6:16 AM | 7:37 PM | 13 h 21 min |
| May | 5:38 AM | 8:08 PM | 14 h 29 min |
| June | 5:24 AM | 8:31 PM | 15 h 6 min |
| July | 5:38 AM | 8:28 PM | 14 h 50 min |
| August | 6:06 AM | 7:56 PM | 13 h 49 min |
| September | 6:36 AM | 7:07 PM | 12 h 31 min |
| October | 7:07 AM | 6:18 PM | 11 h 11 min |
| November | 6:42 AM | 4:41 PM | 9 h 58 min |
| December | 7:12 AM | 4:32 PM | 9 h 20 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Iselin?
Iselin has a humid subtropical climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is January, with average lows of 24°F (-4°C).
It gets about 48.7 inches (1,238 mm) of precipitation a year. The wettest month is July and the driest is February. Snow is common: about 21 inches fall in an average year.
The best time to visit Iselin is May–June and August–September. At 30 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 Iselin
Weather in towns near Iselin
Questions about the weather in Iselin
What is the hottest month in Iselin?
July, with an average high of 88°F (31°C).
What is the coldest month in Iselin?
January, with an average low of 24°F (-4°C).
How much does it rain in Iselin?
About 48.7 inches (1,238 mm) a year; the wettest month is July.
Does it snow in Iselin?
Yes, about 21 inches of snow fall in an average year.
When is the best time to visit Iselin?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Iselin have?
Humid subtropical (Köppen Cfa).
What is the weather like in Iselin in November?
Highs average 56°F and lows 36°F, with about 3.5 inches of precipitation.
What time is sunrise in Iselin?
Around 6:42 AM in mid-November, and sunset around 4:41 PM. Today’s exact times are shown above.
Where does this Iselin weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Iselin.
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