Live Weather & Forecast
Weather in Waterloo
Wisconsin, United States · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
65°F / Feels 65°F
Overcast
Waterloo, Wisconsin
🌞 Daytime
Updated: 2026-04-13 09:30
Humidity
100%
Wind
14.8 km/h SW
Wind Gust
19.9 km/h
Pressure
1011 mb
Visibility
16 km
UV Index
1.3
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
16.2°C
Wind Degree
228°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
152.9 μg/m³
NO₂
2.1 μg/m³
O₃
90 μg/m³
SO₂
1.1 μg/m³
PM 2.5
6.5 μg/m³
PM 10
8.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Waterloo, Wisconsin
12 AM
15°
Patchy rain nearby
1 AM
15°
Partly Cloudy
2 AM
15°
Overcast
3 AM
16°
Clear
4 AM
16°
Overcast
5 AM
16°
Cloudy
6 AM
16°
Cloudy
7 AM
16°
Cloudy
8 AM
17°
Cloudy
9 AM
18°
Overcast
10 AM
19°
Cloudy
11 AM
20°
Partly Cloudy
12 PM
21°
Cloudy
1 PM
21°
Cloudy
2 PM
22°
Overcast
3 PM
22°
Overcast
4 PM
22°
Partly Cloudy
5 PM
21°
Overcast
6 PM
21°
Thundery outbreaks in nearby
7 PM
20°
Thundery outbreaks in nearby
8 PM
20°
Thundery outbreaks in nearby
9 PM
20°
Thundery outbreaks in nearby
10 PM
20°
Thundery outbreaks in nearby
11 PM
19°
Overcast
3-Day Forecast
Daily overview for Waterloo, Wisconsin
Today
Patchy rain nearby
23°
/
15°
🌧️ 71% chance of rain
💧 Avg. humidity: 92%
💨 Max wind: 33.8 km/h
🌧️ Total precip: 0.12 mm
☀️ UV Index: 1
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:37 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
26°
/
18°
🌧️ 86% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 32 km/h
🌧️ Total precip: 5.91 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:15 AM
🌇 Sunset: 07:38 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
19°
/
9°
🌧️ 88% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 28.8 km/h
🌧️ Total precip: 136.55 mm
☀️ UV Index: 0.4
🌅 Sunrise: 06:13 AM
🌇 Sunset: 07:39 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Best Time to Visit Waterloo
Plan your trip to Waterloo, 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 Waterloo?
Current conditions in Waterloo: Overcast, temperature 18°C, humidity 100%.
What is the best time to visit Waterloo?
The best time to visit Waterloo is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Waterloo?
Waterloo is located at approximately 43.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Waterloo?
The wettest period in Waterloo is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Waterloo?
For visits to Waterloo during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Waterloo in?
Waterloo is located in United States, in the state of Wisconsin.
What are the public holidays in Waterloo in 2026?
View the 2026 public holidays for Waterloo on our Holidays page.
What are the GPS coordinates used for the weather forecast in Waterloo?
The weather forecast for Waterloo uses coordinates 43.1839, -88.9884.