Live Weather & Forecast
Weather in Marengo
Iowa, United States · Real-time conditions & 3-day outlook
21°C
Feels like 21°C
69°F / Feels 69°F
Overcast
Marengo, Iowa
🌞 Daytime
Updated: 2026-04-14 09:30
Humidity
78%
Wind
22 km/h SW
Wind Gust
27.3 km/h
Pressure
1007 mb
Visibility
14 km
UV Index
1.5
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
18.5°C
Wind Degree
215°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
142.9 μg/m³
NO₂
1.8 μg/m³
O₃
90 μg/m³
SO₂
1.4 μg/m³
PM 2.5
6.6 μg/m³
PM 10
7.1 μg/m³
Today's Hourly Forecast
24-hour breakdown for Marengo, Iowa
12 AM
22°
Clear
1 AM
22°
Clear
2 AM
21°
Clear
3 AM
21°
Clear
4 AM
20°
Clear
5 AM
19°
Clear
6 AM
19°
Clear
7 AM
19°
Sunny
8 AM
21°
Sunny
9 AM
21°
Overcast
10 AM
24°
Partly Cloudy
11 AM
25°
Overcast
12 PM
27°
Partly Cloudy
1 PM
28°
Partly Cloudy
2 PM
30°
Sunny
3 PM
31°
Sunny
4 PM
32°
Sunny
5 PM
27°
Sunny
6 PM
25°
Thundery outbreaks in nearby
7 PM
24°
Thundery outbreaks in nearby
8 PM
23°
Thundery outbreaks in nearby
9 PM
22°
Thundery outbreaks in nearby
10 PM
22°
Thundery outbreaks in nearby
11 PM
21°
Cloudy
3-Day Forecast
Daily overview for Marengo, Iowa
Today
Partly Cloudy
32°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 72%
💨 Max wind: 31.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:29 AM
🌇 Sunset: 07:48 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Wed, Apr 15
Heavy rain
26°
/
15°
🌧️ 82% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 34.2 km/h
🌧️ Total precip: 45.79 mm
☀️ UV Index: 1
🌅 Sunrise: 06:28 AM
🌇 Sunset: 07:50 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Partly Cloudy
27°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 22.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:51 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Best Time to Visit Marengo
Plan your trip to Marengo, 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 Marengo?
Current conditions in Marengo: Overcast, temperature 21°C, humidity 78%.
What is the best time to visit Marengo?
The best time to visit Marengo is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Marengo?
Marengo is located at approximately 41.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Marengo?
The wettest period in Marengo is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Marengo?
For visits to Marengo during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Marengo in?
Marengo is located in United States, in the state of Iowa.
What are the public holidays in Marengo in 2026?
View the 2026 public holidays for Marengo on our Holidays page.
What are the GPS coordinates used for the weather forecast in Marengo?
The weather forecast for Marengo uses coordinates 41.8001, -92.0694.