How is the weather in Duncan, IA?

At 9:55 AM on Sat, Sep 13, 2025 it is sunny and 77 degrees Fahrenheit, feeling like 77 degrees.

Duncan, IA Weather Forecast and Current Conditions

77°F
Feels Like 77°F

Humidity 74% Dew Point 68°F Wind SSE 7 MPH Barometer 29.94 in.760.5 mm

Solar Rad 487 w/m2 Visibility 10 mi.

Report from 10.1 miles NNE of central Duncan at 9:55 AM Sat, Sep 13, 2025

Current Weather

77°F
Feels Like 77°F

Humidity 74% Dew Point 68°F Wind SSE 7 MPH Barometer 29.94 in.760.5 mm

Solar Rad 487 w/m2 Visibility 10 mi.

Report from 10.1 miles NNE of central Duncan at 9:55 AM Sat, Sep 13, 2025

Forecast at a Glance

SatSep 13

90°

66°

SunSep 14

10%

90°

65°

MonSep 15

30%

86°

63°

TueSep 16

20%

89°

62°

WedSep 17

50%

80°

59°

ThuSep 18

50%

75°

55°

FriSep 19

30%

72°

52°

This Date in Weather History

1984 - Hurricane Diana, after making a complete loop off the Carolina coast, made landfall and moved across eastern North Carolina. Diana deluged Cape Fear with more than eighteen inches of rain, and caused 78 million dollars damage in North Carolina.

Duncan 7 Day Weather Forecast Details

Saturday Sep 13

Day: Mostly sunny. High near 90, with temperatures falling to around 88 in the afternoon. South southwest wind around 8 mph.

Night: Partly cloudy, with a low around 66. South wind around 6 mph.

Sunday Sep 14

Day: Mostly sunny. High near 90, with temperatures falling to around 87 in the afternoon. South southeast wind 5 to 10 mph.

Night: A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 65, with temperatures rising to around 67 overnight. South southeast wind around 9 mph. Chance of precipitation is 30%.

Monday Sep 15

Day: A chance of showers and thunderstorms. Mostly sunny, with a high near 86. South wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Night: A slight chance of rain showers before 7pm. Mostly clear, with a low around 63. Chance of precipitation is 20%.

Tuesday Sep 16

Day: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Chance of precipitation is 20%.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 30%.

Wednesday Sep 17

Day: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

Night: A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

Thursday Sep 18

Day: A chance of showers and thunderstorms. Partly sunny, with a high near 75. Chance of precipitation is 50%.

Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

Friday Sep 19

Day: A chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 30%.

Night: A chance of rain showers before 7pm. Partly cloudy, with a low around 52.

Sun & Moon Monthly

First Light 6:25 AM

Sunrise 6:53 AM

Sunset 7:30 PM

Last Light 7:59 PM

Moonrise 10:44 PM

Moonset 2:14 PM

Moon Phase

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