10-day forecast for Denison, IA: 34° to 74°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Tuesday, October 20
56° · 1.15 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1556° / 49°1.15
Morning54°feels 54°
Afternoon56°feels 55°
Evening55°feels 53°
Overnight55°feels 54°
56 °
Denison, Thursday, 15 October
Heavy rain. High 56°, low 49°.
Pressure30.00 inHg
Wind11.4 mph N
Humidity98%
Visibility2.4 mi
Dew point51°
Fri, 1651° / 40°0
Morning46°feels 39°
Afternoon49°feels 42°
Evening44°feels 39°
Overnight48°feels 41°
51 °
Denison, Friday, 16 October
Overcast. High 51°, low 40°.
Pressure30.50 inHg
Wind21.3 mph N
Humidity56%
Visibility6.2 mi
Dew point32°
Sat, 1756° / 34°0
Morning34°feels 30°
Afternoon55°feels 52°
Evening48°feels 43°
Overnight36°feels 34°
56 °
Denison, Saturday, 17 October
Clear. High 56°, low 34°.
Pressure30.53 inHg
Wind11.5 mph SW
Humidity47%
Visibility6.2 mi
Dew point30°
Sun, 1861° / 42°0
Morning44°feels 38°
Afternoon59°feels 57°
Evening53°feels 51°
Overnight45°feels 38°
61 °
Denison, Sunday, 18 October
Clear. High 61°, low 42°.
Pressure30.30 inHg
Wind13.6 mph S
Humidity59%
Visibility6.2 mi
Dew point40°
Mon, 1963° / 44°0
Morning48°feels 46°
Afternoon59°feels 58°
Evening54°feels 52°
Overnight49°feels 48°
63 °
Denison, Monday, 19 October
Clear. High 63°, low 44°.
Pressure30.33 inHg
Wind9.1 mph S
Humidity60%
Visibility—
Dew point44°
Tue, 2067° / 47°0
Morning52°feels 50°
Afternoon64°feels 63°
Evening59°feels 58°
Overnight55°feels 53°
67 °
Denison, Tuesday, 20 October
Clear. High 67°, low 47°.
Pressure30.21 inHg
Wind13.5 mph S
Humidity51%
Visibility—
Dew point44°
Wed, 2173° / 55°0.05
Morning60°feels 59°
Afternoon67°feels 67°
Evening69°feels 69°
Overnight65°feels 65°
73 °
Denison, Wednesday, 21 October
Light rain. High 73°, low 55°.
Pressure30.00 inHg
Wind16 mph S
Humidity68%
Visibility—
Dew point55°
Thu, 2274° / 61°0.06
Morning64°feels 64°
Afternoon70°feels 70°
Evening65°feels 64°
Overnight62°feels 61°
74 °
Denison, Thursday, 22 October
Light rain. High 74°, low 61°.
Pressure29.97 inHg
Wind11.5 mph S
Humidity56%
Visibility—
Dew point53°
Fri, 2369° / 59°0.44
Morning60°feels 61°
Afternoon65°feels 66°
Evening69°feels 70°
Overnight67°feels 68°
69 °
Denison, Friday, 23 October
Rain. High 69°, low 59°.
Pressure29.88 inHg
Wind19.6 mph S
Humidity93%
Visibility—
Dew point62°
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.