Weather forecast for 10 daysArmstrong, IA

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 20mphSSW 200°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:35 am CDT
  • Sunset: 6:30 pm CDT
  • ▼
Tomorrow, on Sunday, sunshine will likely continue with scattered clouds at most.
Significant temperature fluctuations from a high of an agreeable 68°F to a low of a wintry 39.2°F are predicted.
Tomorrow, the maximum temperature of 68°F will resemble September's climate more than October's.
Sunrise will be at 7:35 am and sunset at 6:30 pm; tomorrow's daylight will last for 10h and 54min.

10-day overview

Daily temperatures

Warmest period: Thursday - Saturday 75°C.
Coldest day: Sunday 25.10. 63°C.

Chance of precipitation

Highest chance: Sunday 25.10. 23%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 17mphSSW 201°
  • Humidity: 66%
  • UV index: 0
  • Sunrise: 7:34 am CDT
  • Sunset: 6:31 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 68°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 20mphSSW 200°
  • Humidity: 50%
  • UV index: 4
  • Sunrise: 7:35 am CDT
  • Sunset: 6:30 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphS 172°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:37 am CDT
  • Sunset: 6:28 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 13mphSSE 168°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:38 am CDT
  • Sunset: 6:26 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 10mphS 190°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:39 am CDT
  • Sunset: 6:25 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 54°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 9mphSE 141°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:40 am CDT
  • Sunset: 6:23 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 75°F
  • 57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 18mphSSE 162°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:42 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 75°F
  • 52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 19mphS 184°
  • Humidity: 52%
  • UV index: 2
  • Sunrise: 7:43 am CDT
  • Sunset: 6:20 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 63°F
  • 48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0"
  • Wind: 11mphNW 321°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:44 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 64°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 11mphSSE 158°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:45 am CDT
  • Sunset: 6:17 pm CDT
  • ▼
Conditions over the next ten days suggest that a combination of dry and sunny and cloudy weather is forecasted.
Rainfall is not predicted in Armstrong in the upcoming period.
Temperature differences will be noticeable throughout the forecast window. Forecast highs will fluctuate between 62.6°F and 75.2°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 39.2°F up to 57.2°F.
Thursday through next Saturday, with the highest temperature of 75.2°F, will be the warmest days in Armstrong; next Sunday will be the coldest day, with the highest temperature of 62.6°F.
Updated: Oct 18, 2026 @ 03:46:39 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect sunny weather with a crisp, clear sky.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 39.2°F.
Tomorrow, the maximum temperature will be significantly higher than the average highest temperature of 57°F in October. The lowest temperature will be in line with the average low of 42.3°F.

On Sunday, in Armstrong, sunrise will be at 7:35 am and sunset at 6:30 pm (CDT).

In Armstrong, the length of the day tomorrow will be 10h and 54min.