Live Weather & Forecast
Weather in Onalaska
Wisconsin, United States · Real-time conditions & 3-day outlook
24°C
Feels like 26°C
76°F / Feels 79°F
Overcast
Onalaska, Wisconsin
🌞 Daytime
Updated: 2026-04-12 15:45
Humidity
58%
Wind
32.4 km/h SW
Wind Gust
46.8 km/h
Pressure
1003 mb
Visibility
16 km
UV Index
3.4
(Moderate)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
17.7°C
Wind Degree
217°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
154.9 μg/m³
NO₂
3.3 μg/m³
O₃
84 μg/m³
SO₂
1.2 μg/m³
PM 2.5
4.7 μg/m³
PM 10
5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Onalaska, Wisconsin
12 AM
9°
Patchy rain nearby
1 AM
9°
Clear
2 AM
9°
Clear
3 AM
9°
Clear
4 AM
10°
Clear
5 AM
10°
Clear
6 AM
11°
Clear
7 AM
13°
Sunny
8 AM
14°
Sunny
9 AM
16°
Patchy rain nearby
10 AM
18°
Patchy rain nearby
11 AM
19°
Overcast
12 PM
20°
Overcast
1 PM
21°
Cloudy
2 PM
21°
Overcast
3 PM
24°
Overcast
4 PM
20°
Overcast
5 PM
19°
Overcast
6 PM
19°
Overcast
7 PM
18°
Overcast
8 PM
18°
Overcast
9 PM
17°
Overcast
10 PM
17°
Overcast
11 PM
17°
Overcast
3-Day Forecast
Daily overview for Onalaska, Wisconsin
Today
Patchy rain nearby
22°
/
8°
🌧️ 85% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 33.8 km/h
🌧️ Total precip: 1.21 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:27 AM
🌇 Sunset: 07:46 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
20°
/
16°
🌧️ 86% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 2.97 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:25 AM
🌇 Sunset: 07:47 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Heavy rain
20°
/
12°
🌧️ 87% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 24.1 km/h
🌧️ Total precip: 48.21 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:23 AM
🌇 Sunset: 07:48 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Onalaska
Plan your trip to Onalaska, 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 Onalaska?
Current conditions in Onalaska: Overcast, temperature 24°C, humidity 58%.
What is the best time to visit Onalaska?
The best time to visit Onalaska is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Onalaska?
Onalaska is located at approximately 43.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Onalaska?
The wettest period in Onalaska is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Onalaska?
For visits to Onalaska during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Onalaska in?
Onalaska is located in United States, in the state of Wisconsin.
What are the public holidays in Onalaska in 2026?
View the 2026 public holidays for Onalaska on our Holidays page.
What are the GPS coordinates used for the weather forecast in Onalaska?
The weather forecast for Onalaska uses coordinates 43.8831, -91.2344.