Denison Weather Today — Iowa, United States
Current temperature, rain chance, humidity, wind and air quality in Denison, plus an hourly and 3-day forecast. Updated through the day.
10:52
Fri, 18 Sep 2026
📍 Iowa, United States
Denison??
31
°C
Sunny
Feels 31°C · 87°F
💧 46% Humidity
💨 ↓ 7.2 km/h S
👁 10 km Visibility
🌧 0 mm Precip
☁ 5% Cloud
☀️ UV Moderate
🌿 AQI Good
☀️ UV Index
2.5
Moderate
🔵 Pressure
1020
hPa · 30.13 in
💨 Wind
7.2
km/h · Gust 8.3 km/h
↓ S
💧 Humidity
46%
Dew point 17.6°C
👁 Visibility
10
km · 6 miles
🌡 Heat Index
31.6°
Wind chill 30.5°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
07:11 AM
🌇
Sunset
07:28 PM
📅 3-Day Forecast
Friday
18 Sep 2026
Sunny
37°
/
26°
💧40%
🌧0mm
💨20
☀️UV 7.8
Saturday
19 Sep 2026
Sunny
37°
/
25°
💧35%
🌧0mm
💨19
☀️UV 8.2
Sunday
20 Sep 2026
Overcast
36°
/
25°
💧44%
🌧0.08mm
💨25
☀️UV 7.2
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