Weather forecast for tomorrowArmstrong, IA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 20mphSSW 201°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:35 am CDT
- Sunset: 6:30 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, clear skies and sunshine are anticipated.
A notable disparity in temperature is forecasted, reaching up to a maximum of a comfortable 66.2°F and falling to a minimum of an icy 39.2°F.
The forecast high of 66.2°F aligns more closely with September's typical high of 72.7°F than with October's usual 57°F.
Sunrise will be at 7:35 am and sunset at 6:30 pm; tomorrow's daylight will last for 10h and 54min.
A notable disparity in temperature is forecasted, reaching up to a maximum of a comfortable 66.2°F and falling to a minimum of an icy 39.2°F.
The forecast high of 66.2°F aligns more closely with September's typical high of 72.7°F than with October's usual 57°F.
Sunrise will be at 7:35 am and sunset at 6:30 pm; tomorrow's daylight will last for 10h and 54min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphSSW 201°
- Humidity: 63%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 17mphSSW 202°
- Humidity: 66%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 17mphSSW 201°
- Humidity: 69%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 198°
- Humidity: 74%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:35 am
- 8 am
- 43°F
- Feels like:36°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 16mphSSW 199°
- Humidity: 74%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 18mphSSW 203°
- Humidity: 60%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny / Wind
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 20mphSSW 202°
- Humidity: 46%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 19mphSSW 202°
- Humidity: 40%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 18mphSSW 201°
- Humidity: 37%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphSSW 193°
- Humidity: 39%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:30 pm
- 8 pm
- 55°F
- Feels like:52°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphS 187°
- Humidity: 55%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 8mphS 191°
- Humidity: 67%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, sunny conditions are likely to prevail.
The temperature will be between a minimum of 42.8°F and a maximum of 66.2°F. The feels-like temperature will be between the lowest temperature of 33.8°F and the highest temperature of 66.2°F. The warmest part of the day is expected around 4 pm.
The maximum temperature will align more closely with September's average high of 72.7°F than with October's 57°F. The nighttime low tomorrow will be comparable to October's typical minimum temperature.
The temperature will be between a minimum of 42.8°F and a maximum of 66.2°F. The feels-like temperature will be between the lowest temperature of 33.8°F and the highest temperature of 66.2°F. The warmest part of the day is expected around 4 pm.
The maximum temperature will align more closely with September's average high of 72.7°F than with October's 57°F. The nighttime low tomorrow will be comparable to October's typical minimum temperature.
Updated: Oct 17, 2026 @ 22:10:36 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, sunny skies and pleasant visibility are expected.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
The highest temperature tomorrow will be noticeably higher than the average maximum of 57°F in October. The lowest temperature will be in line with the average low of 42.3°F.
The highest temperature tomorrow will be noticeably higher than the average maximum 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.
