10-day forecast for Duncan, IA: 29° to 72°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Thursday, October 22
46° · 0.85 in
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2171° / 43°0
Morning43°feels 40°
Afternoon68°feels 67°
Evening55°feels 54°
Overnight50°feels 47°
71 °
Duncan, Wednesday, 21 October
Clear. High 71°, low 43°.
Pressure30.21 inHg
Wind4.5 mph SW
Humidity64%
Visibility6.2 mi
Dew point52°
Thu, 2272° / 46°0
Morning50°feels 49°
Afternoon71°feels 70°
Evening61°feels 60°
Overnight52°feels 51°
72 °
Duncan, Thursday, 22 October
Clear. High 72°, low 46°.
Pressure30.27 inHg
Wind7.7 mph S
Humidity61%
Visibility6.2 mi
Dew point55°
Fri, 2370° / 53°0
Morning53°feels 52°
Afternoon69°feels 68°
Evening64°feels 63°
Overnight56°feels 56°
70 °
Duncan, Friday, 23 October
Overcast. High 70°, low 53°.
Pressure30.18 inHg
Wind14.3 mph S
Humidity56%
Visibility6.2 mi
Dew point50°
Sat, 2471° / 54°0.02
Morning59°feels 58°
Afternoon68°feels 67°
Evening57°feels 56°
Overnight59°feels 58°
71 °
Duncan, Saturday, 24 October
Light rain. High 71°, low 54°.
Pressure30.15 inHg
Wind15.7 mph S
Humidity50%
Visibility—
Dew point49°
Sun, 2558° / 50°0.19
Morning52°feels 49°
Afternoon56°feels 54°
Evening53°feels 51°
Overnight51°feels 48°
58 °
Duncan, Sunday, 25 October
Light rain. High 58°, low 50°.
Pressure30.45 inHg
Wind9.8 mph NE
Humidity43%
Visibility—
Dew point34°
Mon, 2646° / 36°0.85
Morning38°feels 31°
Afternoon40°feels 33°
Evening38°feels 31°
Overnight36°feels 30°
46 °
Duncan, Monday, 26 October
Snow. High 46°, low 36°.
Pressure30.30 inHg
Wind14 mph N
Humidity69%
Visibility—
Dew point31°
Tue, 2739° / 31°0
Morning33°feels 23°
Afternoon34°feels 25°
Evening33°feels 27°
Overnight31°feels 25°
39 °
Duncan, Tuesday, 27 October
Overcast. High 39°, low 31°.
Pressure30.59 inHg
Wind17 mph NW
Humidity66%
Visibility—
Dew point24°
Wed, 2848° / 29°0
Morning33°feels 26°
Afternoon44°feels 37°
Evening42°feels 35°
Overnight38°feels 31°
48 °
Duncan, Wednesday, 28 October
Clear. High 48°, low 29°.
Pressure30.27 inHg
Wind17.4 mph SW
Humidity42%
Visibility—
Dew point21°
Thu, 2946° / 33°0
Morning36°feels 28°
Afternoon43°feels 37°
Evening40°feels 35°
Overnight37°feels 31°
46 °
Duncan, Thursday, 29 October
Clear. High 46°, low 33°.
Pressure30.21 inHg
Wind14.5 mph NW
Humidity48%
Visibility—
Dew point24°
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 Duncan, 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.