Weather forecast for 10 daysMason City, IA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 19mphSSW 196°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:30 am CDT
- Sunset: 6:25 pm CDT
- details ▼
Today, on Sunday, October 18, the weather remains calm, bright, and sunny.
Temperature fluctuations will be substantial, ranging from a peak of a comfortable 66.2°F to a low of a cold 39.2°F.
Today, temperatures will feel warmer with a high of 66.2°F, more typical for September than for October.
Sunrise was at 7:30 am and sunset will be at 6:25 pm; the daylight will last for 10h and 55min.
Temperature fluctuations will be substantial, ranging from a peak of a comfortable 66.2°F to a low of a cold 39.2°F.
Today, temperatures will feel warmer with a high of 66.2°F, more typical for September than for October.
Sunrise was at 7:30 am and sunset will be at 6:25 pm; the daylight will last for 10h and 55min.
10-day overview
Daily temperatures
Warmest day: Thursday 75°C.
Coldest day: Monday 26.10. 59°C.
Coldest day: Monday 26.10. 59°C.
Chance of precipitation
Highest chance: Monday - Tuesday 24%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 19mphSSW 196°
- Humidity: 44%
- UV index: 4
- Sunrise: 7:30 am CDT
- Sunset: 6:25 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 39°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphS 171°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:31 am CDT
- Sunset: 6:23 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 70°F
- 45°F
Sunny
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 11mphSSE 155°
- Humidity: 58%
- UV index: 3
- Sunrise: 7:32 am CDT
- Sunset: 6:22 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 73°F
- 48°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphS 183°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:34 am CDT
- Sunset: 6:20 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 75°F
- 52°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphSSE 149°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:35 am CDT
- Sunset: 6:19 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 73°F
- 55°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 16mphSSE 154°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:36 am CDT
- Sunset: 6:17 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 73°F
- 50°F
Mostly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 16mphS 178°
- Humidity: 48%
- UV index: 2
- Sunrise: 7:37 am CDT
- Sunset: 6:16 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 64°F
- 48°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 7mphNNW 340°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:39 am CDT
- Sunset: 6:14 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 59°F
- 48°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphESE 110°
- Humidity: 73%
- UV index: 3
- Sunrise: 7:40 am CDT
- Sunset: 6:13 pm CDT
- details ▼
- Tuesday
- Oct 27, 2026
- 64°F
- 48°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 12mphSE 142°
- Humidity: 71%
- UV index: 2
- Sunrise: 7:41 am CDT
- Sunset: 6:11 pm CDT
- details ▼
Over the next ten days, conditions will reflect that a combination of cloud-filled and dry and sunny weather is predicted.
Rainfall is not expected in Mason City in the upcoming period.
Significant changes in temperature are expected across the forecast period. Highs will range from 59°F to 75.2°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 39.2°F to 55.4°F.
With the highest temperature of 75.2°F, Thursday will be the warmest day; the lowest daytime temperature of the period will be reached on next Monday, peaking at 59°F.
Rainfall is not expected in Mason City in the upcoming period.
Significant changes in temperature are expected across the forecast period. Highs will range from 59°F to 75.2°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 39.2°F to 55.4°F.
With the highest temperature of 75.2°F, Thursday will be the warmest day; the lowest daytime temperature of the period will be reached on next Monday, peaking at 59°F.
Updated: Oct 18, 2026 @ 15:13:16 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, sun-filled conditions are expected to persist.
Today, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
Today, the maximum temperature will be slightly warmer than the average highest temperature in October. The lowest temperature will be in line with the average low of 42.3°F.
Today, the maximum temperature will be slightly warmer than the average highest temperature in October. The lowest temperature will be in line with the average low of 42.3°F.
On Sunday, in Mason City, sunrise was at 7:30 am and sunset will be at 6:25 pm (CDT).
In Mason City, today, there will be 10h and 55min of daylight.
