Live Weather & Forecast
Weather in South Brunswick
New Jersey, United States · Real-time conditions & 3-day outlook
8°C
Feels like 7°C
47°F / Feels 44°F
Sunny
South Brunswick, New Jersey
🌞 Daytime
Updated: 2026-04-12 09:45
Humidity
49%
Wind
9 km/h E
Wind Gust
11 km/h
Pressure
1033 mb
Visibility
16 km
UV Index
1.7
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-2°C
Wind Degree
94°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
187.9 μg/m³
NO₂
8.5 μg/m³
O₃
90 μg/m³
SO₂
4.6 μg/m³
PM 2.5
7.6 μg/m³
PM 10
8.4 μg/m³
Weather Alerts 1
Met
· Minor · Expected
Frost Advisory issued April 11 at 1:54PM EDT until April 12 at 8:00AM EDT by NWS Mount Holly NJ
* WHAT...Temperatures as low as 36 will result in frost formation. * WHERE...Berks, Western Chester, and Western Montgomery Counties. * WHEN...From 2 AM to 8 AM EDT Sunday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.
Today's Hourly Forecast
24-hour breakdown for South Brunswick, New Jersey
12 AM
10°
Clear
1 AM
9°
Clear
2 AM
8°
Clear
3 AM
7°
Clear
4 AM
6°
Clear
5 AM
5°
Clear
6 AM
5°
Clear
7 AM
5°
Sunny
8 AM
7°
Sunny
9 AM
8°
Sunny
10 AM
11°
Sunny
11 AM
13°
Sunny
12 PM
15°
Sunny
1 PM
16°
Sunny
2 PM
16°
Sunny
3 PM
17°
Sunny
4 PM
18°
Sunny
5 PM
16°
Sunny
6 PM
14°
Sunny
7 PM
13°
Sunny
8 PM
11°
Partly Cloudy
9 PM
10°
Partly Cloudy
10 PM
10°
Partly Cloudy
11 PM
9°
Cloudy
3-Day Forecast
Daily overview for South Brunswick, New Jersey
Today
Sunny
19°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 47%
💨 Max wind: 17.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
23°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 27.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.4
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Partly Cloudy
26°
/
17°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 20.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.9
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit South Brunswick
Plan your trip to South Brunswick, 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 Brunswick?
Current conditions in South Brunswick: Sunny, temperature 8°C, humidity 49%.
What is the best time to visit South Brunswick?
The best time to visit South Brunswick is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in South Brunswick?
South Brunswick is located at approximately 40.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in South Brunswick?
The wettest period in South Brunswick is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to South Brunswick?
For visits to South Brunswick during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is South Brunswick in?
South Brunswick is located in United States, in the state of New Jersey.
What are the public holidays in South Brunswick in 2026?
View the 2026 public holidays for South Brunswick on our Holidays page.
What are the GPS coordinates used for the weather forecast in South Brunswick?
The weather forecast for South Brunswick uses coordinates 40.3819, -74.5318.