Live Weather & Forecast
Weather in Sussex
Wisconsin, United States · Real-time conditions & 3-day outlook
19°C
Feels like 19°C
67°F / Feels 67°F
Partly cloudy
Sussex, Wisconsin
🌞 Daytime
Updated: 2026-04-13 10:45
Humidity
83%
Wind
22 km/h WSW
Wind Gust
26 km/h
Pressure
1012 mb
Visibility
16 km
UV Index
3
(Moderate)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
17.3°C
Wind Degree
247°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
154.9 μg/m³
NO₂
1.8 μg/m³
O₃
95 μg/m³
SO₂
1.2 μg/m³
PM 2.5
6.5 μg/m³
PM 10
8.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sussex, Wisconsin
12 AM
15°
Moderate rain at times
1 AM
15°
Patchy rain nearby
2 AM
15°
Partly Cloudy
3 AM
15°
Overcast
4 AM
16°
Overcast
5 AM
16°
Overcast
6 AM
16°
Overcast
7 AM
17°
Partly Cloudy
8 AM
18°
Overcast
9 AM
18°
Overcast
10 AM
19°
Partly cloudy
11 AM
20°
Overcast
12 PM
21°
Partly Cloudy
1 PM
22°
Cloudy
2 PM
22°
Overcast
3 PM
23°
Cloudy
4 PM
24°
Overcast
5 PM
24°
Sunny
6 PM
22°
Patchy rain nearby
7 PM
21°
Sunny
8 PM
20°
Clear
9 PM
19°
Patchy rain nearby
10 PM
19°
Patchy rain nearby
11 PM
18°
Moderate rain at times
3-Day Forecast
Daily overview for Sussex, Wisconsin
Today
Patchy rain nearby
25°
/
15°
🌧️ 86% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 31 km/h
🌧️ Total precip: 4.17 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Heavy rain
25°
/
11°
🌧️ 84% chance of rain
💧 Avg. humidity: 89%
💨 Max wind: 31.7 km/h
🌧️ Total precip: 81 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:12 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
12°
/
6°
🌧️ 88% chance of rain
💧 Avg. humidity: 97%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 67.89 mm
☀️ UV Index: 0.5
🌅 Sunrise: 06:11 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Sussex
Plan your trip to Sussex, 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 Sussex?
Current conditions in Sussex: Partly cloudy, temperature 19°C, humidity 83%.
What is the best time to visit Sussex?
The best time to visit Sussex is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sussex?
Sussex is located at approximately 43.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sussex?
The wettest period in Sussex is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sussex?
For visits to Sussex during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Sussex in?
Sussex is located in United States, in the state of Wisconsin.
What are the public holidays in Sussex in 2026?
View the 2026 public holidays for Sussex on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sussex?
The weather forecast for Sussex uses coordinates 43.1339, -88.222.