Live Weather & Forecast
Weather in Decorah
Iowa, United States · Real-time conditions & 3-day outlook
17°C
Feels like 17°C
63°F / Feels 63°F
Overcast
Decorah, Iowa
🌙 Nighttime
Updated: 2026-04-12 20:30
Humidity
100%
Wind
28.8 km/h SSW
Wind Gust
42.9 km/h
Pressure
1005 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0.29 mm
Cloud Cover
100%
Dew Point
15.4°C
Wind Degree
213°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
145.9 μg/m³
NO₂
3.8 μg/m³
O₃
65 μg/m³
SO₂
1.4 μg/m³
PM 2.5
2.7 μg/m³
PM 10
2.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Decorah, Iowa
12 AM
8°
Clear
1 AM
9°
Clear
2 AM
9°
Clear
3 AM
11°
Clear
4 AM
12°
Clear
5 AM
12°
Clear
6 AM
13°
Clear
7 AM
14°
Sunny
8 AM
15°
Patchy rain nearby
9 AM
17°
Patchy rain nearby
10 AM
18°
Sunny
11 AM
19°
Cloudy
12 PM
20°
Partly Cloudy
1 PM
20°
Cloudy
2 PM
20°
Cloudy
3 PM
21°
Heavy rain at times
4 PM
20°
Sunny
5 PM
20°
Partly Cloudy
6 PM
19°
Sunny
7 PM
18°
Partly Cloudy
8 PM
17°
Overcast
9 PM
17°
Partly Cloudy
10 PM
17°
Partly Cloudy
11 PM
17°
Cloudy
3-Day Forecast
Daily overview for Decorah, Iowa
Today
Moderate rain
22°
/
8°
🌧️ 82% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 41 km/h
🌧️ Total precip: 7.97 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:29 AM
🌇 Sunset: 07:47 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Thundery outbreaks in nearby
23°
/
13°
🌧️ 0% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 32.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.1
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:48 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Moderate rain
24°
/
17°
🌧️ 89% chance of rain
💧 Avg. humidity: 93%
💨 Max wind: 26.6 km/h
🌧️ Total precip: 10.08 mm
☀️ UV Index: 1.6
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:49 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Decorah
Plan your trip to Decorah, 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 Decorah?
Current conditions in Decorah: Overcast, temperature 17°C, humidity 100%.
What is the best time to visit Decorah?
The best time to visit Decorah is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Decorah?
Decorah is located at approximately 43.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Decorah?
The wettest period in Decorah is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Decorah?
For visits to Decorah during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Decorah in?
Decorah is located in United States, in the state of Iowa.
What are the public holidays in Decorah in 2026?
View the 2026 public holidays for Decorah on our Holidays page.
What are the GPS coordinates used for the weather forecast in Decorah?
The weather forecast for Decorah uses coordinates 43.3042, -91.7859.