10-day forecast for Denison, IA: 33° to 70°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Tuesday, October 20
57° · 0.22 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1651° / 39°0
Morning45°feels 37°
Afternoon50°feels 44°
Evening44°feels 40°
Overnight46°feels 39°
51 °
Denison, Friday, 16 October
Partly cloudy. High 51°, low 39°.
Pressure30.53 inHg
Wind20.1 mph N
Humidity56%
Visibility6.2 mi
Dew point31°
Sat, 1757° / 33°0
Morning35°feels 29°
Afternoon56°feels 53°
Evening49°feels 44°
Overnight36°feels 36°
57 °
Denison, Saturday, 17 October
Clear. High 57°, low 33°.
Pressure30.50 inHg
Wind12.5 mph SW
Humidity45%
Visibility6.2 mi
Dew point29°
Sun, 1862° / 42°0
Morning44°feels 37°
Afternoon60°feels 58°
Evening54°feels 52°
Overnight45°feels 38°
62 °
Denison, Sunday, 18 October
Clear. High 62°, low 42°.
Pressure30.27 inHg
Wind13.7 mph S
Humidity56%
Visibility6.2 mi
Dew point39°
Mon, 1961° / 46°0
Morning49°feels 46°
Afternoon59°feels 57°
Evening55°feels 54°
Overnight48°feels 44°
61 °
Denison, Monday, 19 October
Overcast. High 61°, low 46°.
Pressure30.27 inHg
Wind9.8 mph S
Humidity62%
Visibility—
Dew point44°
Tue, 2067° / 47°0
Morning52°feels 50°
Afternoon64°feels 63°
Evening59°feels 58°
Overnight56°feels 55°
67 °
Denison, Tuesday, 20 October
Clear. High 67°, low 47°.
Pressure30.21 inHg
Wind12.8 mph S
Humidity52%
Visibility—
Dew point45°
Wed, 2165° / 56°0.03
Morning61°feels 60°
Afternoon64°feels 64°
Evening64°feels 63°
Overnight64°feels 63°
65 °
Denison, Wednesday, 21 October
Light rain. High 65°, low 56°.
Pressure30.12 inHg
Wind16.8 mph S
Humidity65%
Visibility—
Dew point52°
Thu, 2270° / 62°0.14
Morning64°feels 63°
Afternoon67°feels 67°
Evening66°feels 66°
Overnight64°feels 64°
70 °
Denison, Thursday, 22 October
Light rain. High 70°, low 62°.
Pressure29.94 inHg
Wind18.1 mph S
Humidity66%
Visibility—
Dew point55°
Fri, 2368° / 56°0.06
Morning64°feels 64°
Afternoon63°feels 62°
Evening58°feels 56°
Overnight57°feels 56°
68 °
Denison, Friday, 23 October
Light rain. High 68°, low 56°.
Pressure29.83 inHg
Wind27.2 mph S
Humidity62%
Visibility—
Dew point51°
Sat, 2457° / 47°0.01
Morning53°feels 51°
Afternoon56°feels 53°
Evening49°feels 44°
Overnight48°feels 44°
57 °
Denison, Saturday, 24 October
Light rain. High 57°, low 47°.
Pressure30.24 inHg
Wind12.6 mph NW
Humidity59%
Visibility—
Dew point42°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Denison, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.