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Weather in South Plainfield, United States 🇺🇸

Weather Forecast in South Plainfield

Current Weather in South Plainfield

Mist
25°C
Feels like 27°C. Mist.
🌬️ 12 km/h SW
💧 94% Humidity
🧭 1008 hPa
👁️ 4.8 km Visibility
☀️ UV Index: 0.9
🌡️ Dew Point: 26°C
🌅 Sunrise: 05:42 AM
🌇 Sunset: 08:25 PM
Map Overlays:

In South Plainfield right now it is 25°C and mist, feeling like 27°C. Humidity is 94% with winds around 12 km/h, and the UV index is 1 (low). Over the next few days, temperatures in South Plainfield range from about 16°C to 31°C.

Hourly Forecast for South Plainfield

19:00
Patchy rain nearby
25°
37%
20:00
Patchy rain nearby
25°
22%
21:00
Clear
24°
11%
22:00
Clear
23°
12%
23:00
Patchy rain nearby
23°
37%
00:00
Patchy rain nearby
22°
24%
01:00
Clear
22°
13%
02:00
Clear
22°
13%
03:00
Clear
22°
12%
04:00
Clear
22°
12%
05:00
Clear
21°
12%
06:00
Sunny
21°
12%
07:00
Sunny
22°
10%
08:00
Partly Cloudy
22°
9%
09:00
Sunny
23°
3%
10:00
Sunny
24°
2%
11:00
Sunny
25°
1%
12:00
Sunny
27°
1%
13:00
Sunny
27°
1%
14:00
Sunny
28°
1%
15:00
Sunny
28°
1%
16:00
Sunny
28°
1%
17:00
Sunny
28°
1%
18:00
Sunny
27°
1%

14-Day Forecast for South Plainfield

Sat, Jul 18
Smoky haze Smoky haze
31° / 19°
Sun, Jul 19
Sunny Sunny
28° / 21°
Mon, Jul 20
Sunny Sunny
29° / 16°
Tue, Jul 21
Light rain shower Light rain shower
27° / 21°
Wed, Jul 22
Partly Cloudy Partly Cloudy
31° / 21°
Thu, Jul 23
Sunny Sunny
28° / 16°
Fri, Jul 24
Sunny Sunny
30° / 18°
Sat, Jul 25
Sunny Sunny
27° / 18°
Sun, Jul 26
Patchy rain nearby Patchy rain nearby
20° / 18°
Mon, Jul 27
Partly Cloudy Partly Cloudy
30° / 17°
Tue, Jul 28
Patchy rain nearby Patchy rain nearby
27° / 21°
Wed, Jul 29
Light rain shower Light rain shower
23° / 22°
Thu, Jul 30
Patchy rain nearby Patchy rain nearby
27° / 21°
Fri, Jul 31
Light rain shower Light rain shower
27° / 20°

Additional Forecasts for South Plainfield

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 169.0 μg/m³
O₃ (Ozone) 130.0 μg/m³
NO₂ (Nitrogen Dioxide) 8.0 μg/m³
SO₂ (Sulphur Dioxide) 1.9 μg/m³
PM2.5 (Fine particles) 33.6 μg/m³
PM10 (Coarse particles) 34.5 μg/m³

Historical Weather

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Best Time to Be Outside in South Plainfield Tomorrow

There is no good daylight window left in South Plainfield today. Tomorrow, the most comfortable window looks like 08:00 to 10:00, when it is around 23°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in South Plainfield

What is the temperature in South Plainfield right now?

The current temperature in South Plainfield is 25°C (78°F), mist (feels like 27°C).

What's the weather like in South Plainfield right now?

Conditions in South Plainfield right now: Mist, humidity 94%, wind 12 km/h SW.

What is today's forecast for South Plainfield?

Today in South Plainfield: high 31°C, low 19°C, smoky haze. Chance of rain: 73%.

What is the 7-day weather forecast for South Plainfield?

Daily highs and lows for South Plainfield:

  • 2026-07-18: 31°C / 19°C
  • 2026-07-19: 28°C / 21°C
  • 2026-07-20: 29°C / 16°C
  • 2026-07-21: 27°C / 21°C
  • 2026-07-22: 31°C / 21°C
  • 2026-07-23: 28°C / 16°C
  • 2026-07-24: 30°C / 18°C
Is it going to rain in South Plainfield today?

There is a 73% chance of rain in South Plainfield today. Total expected precipitation: 8.4 mm.

What is the wind speed in South Plainfield right now?

Wind in South Plainfield is currently 12 km/h (7 mph) from the SW.

What is the UV index in South Plainfield right now?

The UV index in South Plainfield is currently 0.9 (low). Sun protection is recommended when the index is 3 or higher.

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