Weather forecast for tomorrowDuncan, IA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 19mphSSW 197°
- Humidity: 51%
- UV index: 4
- Sunrise: 7:32 am CDT
- Sunset: 6:27 pm CDT
- details ▼
Tomorrow, on Sunday, sunny and dry conditions are anticipated.
Substantial temperature variations are forecasted, soaring to a maximum of a breezy 66.2°F and descending to a minimum of an icy 39.2°F.
Tomorrow, meteorological data suggests the high will feel more like September, based on a forecast of 66.2°F.
Sunrise will be at 7:32 am and sunset at 6:27 pm; tomorrow's daylight will last for 10h and 55min.
Substantial temperature variations are forecasted, soaring to a maximum of a breezy 66.2°F and descending to a minimum of an icy 39.2°F.
Tomorrow, meteorological data suggests the high will feel more like September, based on a forecast of 66.2°F.
Sunrise will be at 7:32 am and sunset at 6:27 pm; tomorrow's daylight will last for 10h and 55min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 4%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:37°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSW 199°
- Humidity: 67%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 14mphSSW 201°
- Humidity: 71%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:34°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 14mphSSW 198°
- Humidity: 75%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:34°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 14mphSSW 198°
- Humidity: 79%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:32 am
- 8 am
- 43°F
- Feels like:36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 14mphSSW 198°
- Humidity: 78%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 17mphSSW 200°
- Humidity: 61%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 18mphSSW 199°
- Humidity: 46%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 18mphSSW 197°
- Humidity: 40%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSSW 196°
- Humidity: 36%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphS 188°
- Humidity: 39%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:27 pm
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphS 184°
- Humidity: 58%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphSSW 191°
- Humidity: 68%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, mainly sunny weather and a cloudless sky are anticipated.
The temperature will vary between a minimum of 41°F and a maximum of 64.4°F. The feels-like temperature will vary between a minimum of 33.8°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be more in line with September's average high of 72.7°F than October's typical of 57.7°F. The night temperature will be similar to the standard October low of 42.6°F.
The temperature will vary between a minimum of 41°F and a maximum of 64.4°F. The feels-like temperature will vary between a minimum of 33.8°F and a maximum of 62.6°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be more in line with September's average high of 72.7°F than October's typical of 57.7°F. The night temperature will be similar to the standard October low of 42.6°F.
Updated: Oct 17, 2026 @ 16:37:49 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, in Duncan, the weather remains calm, bright, and sunny.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Duncan, sunrise will be at 7:32 am and sunset at 6:27 pm (CDT).
Tomorrow, the daylight will last for 10h and 55min.





