Weather forecast for todayDenison, IA

Weather forecast for today

Current condition 9:29 am CDT

  • 46°F
  • Feels like:
    41°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 17mphSSW 200°
  • Humidity: 71%
  • Dewpoint: 39°F
  • Pressure: 30.23"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
Currently, the sky remains mostly clear, allowing for bright and pleasant conditions.
The temperature is a frosty 46.4°F, with the feels-like temperature being estimated at a wintry 41°F. The current temperature is far from today's maximum-forecasted 68°F.

Sunday Oct 18, 2026

  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 20mphSSW 193°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:37 am CDT
  • Sunset: 6:35 pm CDT
  • ▼
Today, sunshine will likely continue with scattered clouds at most.
Dramatic changes in temperature are expected, reaching a high of an agreeable 68°F and falling to a low of a cold 41°F.
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 was at 7:37 am and sunset will be at 6:35 pm; the daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 66°C.
Minimum temperature: 50°C.

Chance of precipitation

Highest chance: 12 am 4%.

Hourly weather forecast

  • 10 am
  • 50°F
  • Feels like:
    45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 18mphSSW 197°
  • Humidity: 65%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 11 am
  • 55°F
  • Feels like:
    50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphSSW 199°
  • Humidity: 55%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 59°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 19mphSSW 198°
  • Humidity: 47%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 1 pm
  • 63°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 17mphSSW 197°
  • Humidity: 44%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSSW 195°
  • Humidity: 41%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSSW 192°
  • Humidity: 38%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphS 189°
  • Humidity: 37%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 5 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphS 186°
  • Humidity: 37%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphS 181°
  • Humidity: 39%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:35 pm
  • 7 pm
  • 59°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphS 174°
  • Humidity: 46%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 55°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 174°
  • Humidity: 54%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 54°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphS 179°
  • Humidity: 60%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphS 181°
  • Humidity: 65%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphS 182°
  • Humidity: 68%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Denison, clear skies and sunny weather are expected.
The temperature will vary between the lowest temperature of 50°F and the highest temperature of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The day’s peak temperature will reflect September's norm of 74.5°F more than October's 59.2°F. Today, the temperature will drop to a level comparable to October's average minimum of 43.7°F.
Updated: Oct 18, 2026 @ 14:29:49 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (9:29 am CDT) it is 46.4°F in Denison. Feels-like temperature is 41°F.

On Sunday, expect consistent sunshine and open skies.

Today, the highest temperature will be 68°F, while the lowest temperature will be 41°F.
The highest temperature today will be relatively higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.

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

In Denison, today, there will be 10h and 58min of daylight.