Live Weather & Forecast
Weather in Mason City
Iowa, United States · Real-time conditions & 3-day outlook
23°C
Feels like 25°C
73°F / Feels 77°F
Partly Cloudy
Mason City, Iowa
🌞 Daytime
Updated: 2026-04-12 13:15
Humidity
64%
Wind
36 km/h SSW
Wind Gust
51.4 km/h
Pressure
1004 mb
Visibility
16 km
UV Index
4.2
(Moderate)
Precipitation
0 mm
Cloud Cover
25%
Dew Point
17°C
Wind Degree
211°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
153.9 μg/m³
NO₂
2.5 μg/m³
O₃
97 μg/m³
SO₂
1.2 μg/m³
PM 2.5
4.2 μg/m³
PM 10
6.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Mason City, Iowa
12 AM
11°
Overcast
1 AM
11°
Cloudy
2 AM
11°
Partly Cloudy
3 AM
12°
Clear
4 AM
13°
Clear
5 AM
13°
Clear
6 AM
14°
Clear
7 AM
15°
Sunny
8 AM
16°
Sunny
9 AM
18°
Sunny
10 AM
19°
Sunny
11 AM
20°
Cloudy
12 PM
21°
Sunny
1 PM
23°
Partly Cloudy
2 PM
23°
Partly Cloudy
3 PM
24°
Partly Cloudy
4 PM
23°
Sunny
5 PM
23°
Overcast
6 PM
21°
Overcast
7 PM
20°
Cloudy
8 PM
19°
Cloudy
9 PM
19°
Overcast
10 PM
18°
Thundery outbreaks in nearby
11 PM
18°
Thundery outbreaks in nearby
3-Day Forecast
Daily overview for Mason City, Iowa
Today
Partly Cloudy
25°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 85%
💨 Max wind: 36 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1
🌅 Sunrise: 06:36 AM
🌇 Sunset: 07:53 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Overcast
21°
/
16°
🌧️ 0% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 31.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.2
🌅 Sunrise: 06:34 AM
🌇 Sunset: 07:54 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Cloudy
20°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 79%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.7
🌅 Sunrise: 06:33 AM
🌇 Sunset: 07:55 PM
🌙 Waning Crescent
🌑 Moon: 15% lit
Best Time to Visit Mason City
Plan your trip to Mason City, 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 Mason City?
Current conditions in Mason City: Partly Cloudy, temperature 23°C, humidity 64%.
What is the best time to visit Mason City?
The best time to visit Mason City is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Mason City?
Mason City is located at approximately 43.2° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Mason City?
The wettest period in Mason City is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Mason City?
For visits to Mason City during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Mason City in?
Mason City is located in United States, in the state of Iowa.
What are the public holidays in Mason City in 2026?
View the 2026 public holidays for Mason City on our Holidays page.
What are the GPS coordinates used for the weather forecast in Mason City?
The weather forecast for Mason City uses coordinates 43.1525, -93.2018.