Live Weather & Forecast
Weather in Jefferson
New Jersey, United States · Real-time conditions & 3-day outlook
22°C
Feels like 22°C
71°F / Feels 71°F
Overcast
Jefferson, New Jersey
🌙 Nighttime
Updated: 2026-04-16 00:00
Humidity
90%
Wind
12.6 km/h S
Wind Gust
22.2 km/h
Pressure
1016 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
20°C
Wind Degree
175°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
122.9 μg/m³
NO₂
4 μg/m³
O₃
78 μg/m³
SO₂
1.6 μg/m³
PM 2.5
8.2 μg/m³
PM 10
11.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Jefferson, New Jersey
12 AM
22°
Clear
1 AM
22°
Overcast
2 AM
21°
Clear
3 AM
21°
Partly Cloudy
4 AM
21°
Mist
5 AM
21°
Mist
6 AM
21°
Clear
7 AM
22°
Sunny
8 AM
23°
Sunny
9 AM
25°
Partly Cloudy
10 AM
27°
Partly Cloudy
11 AM
28°
Sunny
12 PM
28°
Partly Cloudy
1 PM
28°
Partly Cloudy
2 PM
28°
Partly Cloudy
3 PM
28°
Partly Cloudy
4 PM
27°
Partly Cloudy
5 PM
27°
Sunny
6 PM
26°
Sunny
7 PM
24°
Sunny
8 PM
23°
Partly Cloudy
9 PM
23°
Partly Cloudy
10 PM
23°
Cloudy
11 PM
22°
Overcast
3-Day Forecast
Daily overview for Jefferson, New Jersey
Today
Partly Cloudy
29°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 23 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.5
🌅 Sunrise: 06:48 AM
🌇 Sunset: 07:44 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
26°
/
21°
🌧️ 0% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 24.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.6
🌅 Sunrise: 06:47 AM
🌇 Sunset: 07:45 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Overcast
25°
/
21°
🌧️ 0% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.5
🌅 Sunrise: 06:46 AM
🌇 Sunset: 07:46 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Jefferson
Plan your trip to Jefferson, 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 Jefferson?
Current conditions in Jefferson: Overcast, temperature 22°C, humidity 90%.
What is the best time to visit Jefferson?
The best time to visit Jefferson is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Jefferson?
Jefferson is located at approximately 29.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Jefferson?
The wettest period in Jefferson is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Jefferson?
For visits to Jefferson during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Jefferson in?
Jefferson is located in United States, in the state of New Jersey.
What are the public holidays in Jefferson in 2026?
View the 2026 public holidays for Jefferson on our Holidays page.
What are the GPS coordinates used for the weather forecast in Jefferson?
The weather forecast for Jefferson uses coordinates 29.8348, -94.1704.