Live Weather & Forecast
Weather in Hackettstown
New Jersey, United States · Real-time conditions & 3-day outlook
9°C
Feels like 7°C
48°F / Feels 45°F
Clear
Hackettstown, New Jersey
🌙 Nighttime
Updated: 2026-04-12 22:15
Humidity
63%
Wind
11.5 km/h SSE
Wind Gust
20.5 km/h
Pressure
1027 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
1.1°C
Wind Degree
165°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
181.9 μg/m³
NO₂
8 μg/m³
O₃
86 μg/m³
SO₂
3.7 μg/m³
PM 2.5
6.9 μg/m³
PM 10
7.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Hackettstown, New Jersey
12 AM
7°
Clear
1 AM
6°
Clear
2 AM
5°
Clear
3 AM
4°
Clear
4 AM
4°
Clear
5 AM
3°
Clear
6 AM
2°
Clear
7 AM
4°
Sunny
8 AM
6°
Sunny
9 AM
8°
Sunny
10 AM
9°
Sunny
11 AM
13°
Sunny
12 PM
15°
Sunny
1 PM
16°
Sunny
2 PM
18°
Sunny
3 PM
19°
Sunny
4 PM
19°
Sunny
5 PM
19°
Sunny
6 PM
18°
Sunny
7 PM
15°
Sunny
8 PM
13°
Clear
9 PM
11°
Clear
10 PM
9°
Clear
11 PM
10°
Clear
3-Day Forecast
Daily overview for Hackettstown, New Jersey
Today
Sunny
20°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 45%
💨 Max wind: 15.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
21°
/
8°
🌧️ 68% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 27 km/h
🌧️ Total precip: 1.13 mm
☀️ UV Index: 1.3
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Fog
25°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:22 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Hackettstown
Plan your trip to Hackettstown, 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 Hackettstown?
Current conditions in Hackettstown: Clear, temperature 9°C, humidity 63%.
What is the best time to visit Hackettstown?
The best time to visit Hackettstown is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Hackettstown?
Hackettstown is located at approximately 40.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Hackettstown?
The wettest period in Hackettstown is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Hackettstown?
For visits to Hackettstown during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Hackettstown in?
Hackettstown is located in United States, in the state of New Jersey.
What are the public holidays in Hackettstown in 2026?
View the 2026 public holidays for Hackettstown on our Holidays page.
What are the GPS coordinates used for the weather forecast in Hackettstown?
The weather forecast for Hackettstown uses coordinates 40.8539, -74.8293.