Live Weather & Forecast

Weather in Delavan

Wisconsin, United States · Real-time conditions & 3-day outlook

Flag of United States
Overcast
15°C
Feels like 15°C
59°F / Feels 59°F
Overcast
Delavan, Wisconsin
🌙 Nighttime
Updated: 2026-04-12 23:45
💧
Humidity
93%
💨
Wind
29.2 km/h SW
🌬️
Wind Gust
43.1 km/h
🌡️
Pressure
1008 mb
👁️
Visibility
4.8 km
☀️
UV Index
0 (Low)
🌧️
Precipitation
3.42 mm
☁️
Cloud Cover
100%
💦
Dew Point
15°C
🌐
Wind Degree
222°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
143.9 μg/m³
NO₂
2.6 μg/m³
O₃
78 μg/m³
SO₂
1.2 μg/m³
PM 2.5
3.4 μg/m³
PM 10
3.5 μg/m³

Weather Alerts 1

Met · Severe · Immediate
Flood Warning issued April 12 at 10:46AM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois... Fox River at Algonquin Lock & Dam tailwater affecting Kane, McHenry and Lake IL Counties. For the Fox River (Illinois)...including Algonquin Lock & Dam tailwater...Minor flooding is occurring. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Fox River from Johnsburg downstream to Red Gate Road...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-12T10:46:00-05:00  ·  Expires: 2026-04-13T05:00:00-05:00

Today's Hourly Forecast

24-hour breakdown for Delavan, Wisconsin

12 AM
Clear
8°
Clear
💧 72% 💨 18.4 km/h
1 AM
Clear
8°
Clear
💧 74% 💨 21.6 km/h
2 AM
Clear
9°
Clear
💧 75% 💨 23 km/h
3 AM
Clear
9°
Clear
💧 72% 💨 23.4 km/h
4 AM
Clear
10°
Clear
💧 76% 💨 22.3 km/h
5 AM
Clear
11°
Clear
💧 78% 💨 21.2 km/h
6 AM
Patchy rain nearby
11°
Patchy rain nearby
💧 83% 💨 20.5 km/h 🌧️ 76%
7 AM
Patchy rain nearby
13°
Patchy rain nearby
💧 87% 💨 22.3 km/h 🌧️ 100%
8 AM
Sunny
14°
Sunny
💧 86% 💨 29.5 km/h
9 AM
Moderate rain at times
15°
Moderate rain at times
💧 85% 💨 32 km/h 🌧️ 100%
10 AM
Patchy rain nearby
19°
Patchy rain nearby
💧 83% 💨 34.6 km/h 🌧️ 74%
11 AM
Patchy rain nearby
21°
Patchy rain nearby
💧 81% 💨 36 km/h 🌧️ 100%
12 PM
Sunny
23°
Sunny
💧 77% 💨 37.1 km/h
1 PM
Sunny
24°
Sunny
💧 69% 💨 38.9 km/h
2 PM
Sunny
24°
Sunny
💧 66% 💨 37.4 km/h
3 PM
Sunny
26°
Sunny
💧 63% 💨 34.6 km/h
4 PM
Sunny
24°
Sunny
💧 58% 💨 31.7 km/h
5 PM
Partly Cloudy
24°
Partly Cloudy
💧 57% 💨 32 km/h
6 PM
Patchy rain nearby
23°
Patchy rain nearby
💧 79% 💨 32 km/h 🌧️ 100%
7 PM
Patchy rain nearby
21°
Patchy rain nearby
💧 77% 💨 34.6 km/h 🌧️ 100%
8 PM
Clear
19°
Clear
💧 80% 💨 30.6 km/h
9 PM
Light drizzle
17°
Light drizzle
💧 85% 💨 24.5 km/h 🌧️ 100%
10 PM
Moderate rain at times
17°
Moderate rain at times
💧 93% 💨 29.5 km/h 🌧️ 100%
11 PM
Overcast
15°
Overcast
💧 93% 💨 29.2 km/h 🌧️ 100%

3-Day Forecast

Daily overview for Delavan, Wisconsin

Today
Moderate rain
Moderate rain
27° / 8°
🌧️ 80% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 38.9 km/h
🌧️ Total precip: 8.11 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:34 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Patchy rain nearby
Patchy rain nearby
21° / 15°
🌧️ 73% chance of rain
💧 Avg. humidity: 94%
💨 Max wind: 32.4 km/h
🌧️ Total precip: 1.49 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:16 AM
🌇 Sunset: 07:35 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
Moderate rain
25° / 16°
🌧️ 88% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 31.7 km/h
🌧️ Total precip: 7.84 mm
☀️ UV Index: 0.7
🌅 Sunrise: 06:14 AM
🌇 Sunset: 07:36 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Delavan

Plan your trip to Delavan, 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.
← Back to Delavan 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Delavan?
Current conditions in Delavan: Overcast, temperature 15°C, humidity 93%.
What is the best time to visit Delavan?
The best time to visit Delavan is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Delavan?
Delavan is located at approximately 42.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Delavan?
The wettest period in Delavan is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Delavan?
For visits to Delavan during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Delavan in?
Delavan is located in United States, in the state of Wisconsin.
What are the public holidays in Delavan in 2026?
View the 2026 public holidays for Delavan on our Holidays page.
What are the GPS coordinates used for the weather forecast in Delavan?
The weather forecast for Delavan uses coordinates 42.6331, -88.6461.