Live Weather & Forecast
Weather in South Plainfield
New Jersey, United States · Real-time conditions & 3-day outlook
13°C
Feels like 12°C
56°F / Feels 54°F
Sunny
South Plainfield, New Jersey
🌞 Daytime
Updated: 2026-04-12 14:15
Humidity
41%
Wind
13 km/h SSE
Wind Gust
14.9 km/h
Pressure
1033 mb
Visibility
16 km
UV Index
6.1
(High)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
-1.3°C
Wind Degree
155°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
204.9 μg/m³
NO₂
14.9 μg/m³
O₃
95 μg/m³
SO₂
4.8 μg/m³
PM 2.5
9.4 μg/m³
PM 10
10.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for South Plainfield, New Jersey
12 AM
10°
Clear
1 AM
9°
Clear
2 AM
7°
Clear
3 AM
6°
Clear
4 AM
6°
Clear
5 AM
5°
Clear
6 AM
5°
Clear
7 AM
5°
Sunny
8 AM
7°
Sunny
9 AM
9°
Sunny
10 AM
11°
Sunny
11 AM
13°
Sunny
12 PM
13°
Sunny
1 PM
14°
Sunny
2 PM
13°
Sunny
3 PM
14°
Sunny
4 PM
14°
Sunny
5 PM
14°
Sunny
6 PM
13°
Sunny
7 PM
12°
Sunny
8 PM
11°
Partly Cloudy
9 PM
11°
Partly Cloudy
10 PM
11°
Partly Cloudy
11 PM
10°
Partly Cloudy
3-Day Forecast
Daily overview for South Plainfield, New Jersey
Today
Sunny
15°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 48%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
23°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 25.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
27°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 20.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit South Plainfield
Plan your trip to South Plainfield, United States around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in South Plainfield?
Current conditions in South Plainfield: Sunny, temperature 13°C, humidity 41%.
What is the best time to visit South Plainfield?
The best time to visit South Plainfield is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in South Plainfield?
South Plainfield is located at approximately 40.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in South Plainfield?
The wettest period in South Plainfield is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to South Plainfield?
For visits to South Plainfield during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is South Plainfield in?
South Plainfield is located in United States, in the state of New Jersey.
What are the public holidays in South Plainfield in 2026?
View the 2026 public holidays for South Plainfield on our Holidays page.
What are the GPS coordinates used for the weather forecast in South Plainfield?
The weather forecast for South Plainfield uses coordinates 40.5793, -74.4115.