Weather forecast for 10 days
Duncan, IA

Weather forecast for the weekend

Saturday, Jun 21.

Mostly Sunny / Wind
5:33 am

8:59 pm
CDT
Mostly Sunny / Wind
93°F / 73°F
  • Wind: 22mph SSW
  • Humidity: 59%
  • Precip. probability: 5%
  • Precipitation: 0"
  • UV index: 9
On Saturday, in Duncan, strong wind gusts will accompany mostly sunny skies.
Rainfall is not expected. Temperature fluctuations between a blazing 93.2°F and a warm 73.4°F are anticipated.
On Saturday, the forecast high deviates from June's norm and tracks July's average temperature of 79.7°F.
Sunrise will be at 5:33 am and sunset at 8:59 pm; the daylight will last for 15h and 26min.

Sunday, Jun 22.

Sunny / Wind
5:34 am

8:59 pm
CDT
Sunny / Wind
93°F / 70°F
  • Wind: 23mph S
  • Humidity: 59%
  • Precip. probability: 4%
  • Precipitation: 0"
  • UV index: 9
On Sunday, in Duncan, expect sunshine with windy spells throughout the day.
Rainfall is not expected. Predicted temperatures will peak at a tropical 93.2°F and dip to a minimum of a pleasant 69.8°F.
The weather on Sunday is hotter, with a maximum expected near 79.7°F - more like July than June.
Sunrise will be at 5:34 am and sunset at 8:59 pm; the daylight will last for 15h and 26min.

Frequently asked questions

What is the weather forecast for Duncan for Saturday?
On Saturday, in Duncan, warm and sunny conditions will pair with moderate winds.
Will it rain on Saturday?
No, it will not rain on Saturday.
What will be the highest temperature on Saturday?
On Saturday, the maximum temperature will be 93.2°F, while the minimum temperature will be 73.4°F.
What is the weather forecast for Duncan for Sunday?
On Sunday, in Duncan, sunny skies are likely, but wind gusts could be noticeable.
Will it rain on Sunday?
No, it will not rain on Sunday.
What will be the maximum temperature on Sunday?
On Sunday, the highest temperature will be 93.2°F, while the lowest temperature will be 69.8°F.
What is the weather forecast for Duncan for the next ten days?
In Duncan, a combination of thunderstorm-prone, bright and overcast weather is anticipated for the next ten days.
Will it rain in the next ten days?
Rainfall is predicted for Wednesday, Friday, Monday through next Thursday in Duncan. With high precipitation of 0.91", next Wednesday will be the day with the most rainfall.
How hot will it be in the next ten days?
The maximum temperature will vary between 71.6°F and 93.2°F, as the minimum temperature will range between 57.2°F and 75.2°F.
Including the humidity's impact, the maximum feel-like temperature will vary between 71.6°F and 107.6°F.
What will be the hottest and the coldest days?
The hottest days will be Saturday and Sunday, with a maximum of 93.2°F. The coldest day will be Tuesday, with a maximum of 71.6°F.

Long-term weather forecast

WedJun 18.
  • min.
  • 57°F
Thunderstorms Early
Thunderstorms Early
  • Wind: 6mph WNW
  • Humidity: 94%
  • UV index: 0
  • Precip. probability: 100%
  • Precipitation: 0.16"
  • 5:33 am 8:58 pm CDT
ThuJun 19.
  • 86°F
  • 64°F
Sunny
Sunny
  • Wind: 12mph WSW
  • Humidity: 60%
  • UV index: 9
  • Precip. probability: 7%
  • Precipitation: 0.08"
  • 5:33 am 8:59 pm CDT
FriJun 20.
  • 90°F
  • 75°F
AM Thunderstorms / Wind
AM Thunderstorms / Wind
  • Wind: 21mph S
  • Humidity: 74%
  • UV index: 9
  • Precip. probability: 40%
  • Precipitation: 0.16"
  • 5:33 am 8:59 pm CDT
SatJun 21.
  • 93°F
  • 73°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Wind: 22mph SSW
  • Humidity: 59%
  • UV index: 9
  • Precip. probability: 5%
  • Precipitation: 0"
  • 5:33 am 8:59 pm CDT
SunJun 22.
  • 93°F
  • 70°F
Sunny / Wind
Sunny / Wind
  • Wind: 23mph S
  • Humidity: 59%
  • UV index: 9
  • Precip. probability: 4%
  • Precipitation: 0"
  • 5:34 am 8:59 pm CDT
MonJun 23.
  • 79°F
  • 61°F
PM Thunderstorms
PM Thunderstorms
  • Wind: 13mph WNW
  • Humidity: 76%
  • UV index: 8
  • Precip. probability: 57%
  • Precipitation: 0.71"
  • 5:34 am 9:00 pm CDT
TueJun 24.
  • 72°F
  • 63°F
Scattered Thunderstorms
Scattered Thunderstorms
  • Wind: 9mph ENE
  • Humidity: 89%
  • UV index: 5
  • Precip. probability: 57%
  • Precipitation: 0.67"
  • 5:34 am 9:00 pm CDT
WedJun 25.
  • 73°F
  • 63°F
Thunderstorms
Thunderstorms
  • Wind: 7mph S
  • Humidity: 89%
  • UV index: 4
  • Precip. probability: 68%
  • Precipitation: 0.91"
  • 5:35 am 9:00 pm CDT
ThuJun 26.
  • 73°F
  • 61°F
Thunderstorms
Thunderstorms
  • Wind: 9mph NE
  • Humidity: 83%
  • UV index: 5
  • Precip. probability: 60%
  • Precipitation: 0.51"
  • 5:35 am 9:00 pm CDT
FriJun 27.
  • 77°F
  • 63°F
Partly Cloudy
Partly Cloudy
  • Wind: 9mph W
  • Humidity: 74%
  • UV index: 7
  • Precip. probability: 24%
  • Precipitation: 0"
  • 5:35 am 9:00 pm CDT
Over the next ten days, a mix of thunderstorm-prone, dry and sunny and cloud-filled weather is predicted.
Rainfall is predicted for Wednesday, Friday, Monday through next Thursday.
The temperature will vary considerably over the next several days. Maximum temperatures are forecasted between 71.6°F and 93.2°F, while the difference in minimum temperatures will be also substantial, as the overnight lows will vary from 57.2°F to 75.2°F.
With a maximum temperature of 93.2°F, Saturday and Sunday will be the hottest days in Duncan; the lowest daytime temperature of the period will be reached on Tuesday, peaking at 71.6°F.
Including the humidity's impact, the maximum feel-like temperature may increase considerably and vary between 71.6°F and a blisteringly hot 107.6°F.
Updated: Jun 18, 2025 @ 21:42:55 UTC
Published by: Weather U.S. | About Us
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