Weather forecast for 10 daysDenison, IA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 59°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSSW 204°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:36 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
Today, sunshine is expected with little to no cloud cover.
The temperature is predicted to vary between a mild 59°F and a wintry 41°F.
Expect temperatures to reach October's average high of 59.2°F.
Sunrise was at 7:36 am and sunset will be at 6:36 pm; the daylight will last for 11h and 1min.

Sunday Oct 18, 2026

  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 18mphSSW 195°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:37 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
Tomorrow, on Sunday, October 18, clear and sunny conditions are also expected.
A high of an agreeable 68°F during the day contrasts markedly with a low of a wintry 41°F at night.
The forecast high of 68°F aligns more closely with September's typical high of 74.5°F than with October's usual 59.2°F.
Sunrise will be at 7:37 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Warmest period: Thursday - Saturday 77°C.
Coldest day: today 59°C.

Chance of precipitation

Highest chance: 16%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 59°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSSW 204°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:36 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 18mphSSW 195°
  • Humidity: 55%
  • UV index: 4
  • Sunrise: 7:37 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 11mphS 177°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:38 am CDT
  • Sunset: 6:33 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphSSE 168°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:40 am CDT
  • Sunset: 6:32 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphS 191°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 7:41 am CDT
  • Sunset: 6:30 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 55°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphSSE 155°
  • Humidity: 66%
  • UV index: 4
  • Sunrise: 7:42 am CDT
  • Sunset: 6:29 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 59°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 16mphSSE 161°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:43 am CDT
  • Sunset: 6:27 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 77°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 16mphS 178°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:44 am CDT
  • Sunset: 6:26 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 10%
  • Precipitation: 0"
  • Wind: 11mphNNW 333°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 7:45 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0.04"
  • Wind: 11mphSE 131°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:47 am CDT
  • Sunset: 6:23 pm CDT
  • ▼
Weather models show that a combination of bright and gloomy weather is forecasted.
With a 16% probability, rainfall is anticipated only on next Monday. Predicted precipitation will be minimal at 0.04".
Substantial differences in temperature are forecasted in the coming days. Highs will range from 59°F to 77°F, while the variation in nighttime lows will be also notably wide, as temperatures overnight will fluctuate from 41°F up to 59°F.
The warmest days in Denison will be Thursday through next Saturday, with a maximum of 77°F; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 17, 2026 @ 16:11:39 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, uninterrupted sunshine is anticipated.

Today, the highest temperature will be 59°F, while the lowest temperature will be 41°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 43.7°F.

On Saturday, in Denison, sunrise was at 7:36 am and sunset will be at 6:36 pm (CDT).

In Denison, the length of the day today will be 11h and 1min.

Tomorrow, bright and sunny weather is expected.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 41°F.
The highest temperature will be relatively higher than the average maximum of 59.2°F in October. The lowest temperature will be in line with the average low of 43.7°F.

On Sunday, in Denison, sunrise will be at 7:37 am and sunset at 6:35 pm (CDT).

Tomorrow, the daylight will last for 10h and 58min.