Duncan, IA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Duncan, IA in one place.
Mostly sunny. High near 53, with temperatures falling to around 49 in the afternoon. Southwest wind 3 to 9 mph.
Local Weather Overview
This forecast page for Duncan, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 6, 2026 9:10 AM CST.
The active forecast window currently covers Nov 7 to Nov 12, 2026 for Duncan, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 9:10 AM CST
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Duncan
Monday looks like the warmest upcoming period in Duncan at 63 degrees F.
Thursday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Monday at about 6 to 10 mph WSW.
The forecast from Nov 7 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 9:10 AM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 36. West southwest wind around 7 mph.
Sunny, with a high near 57. West northwest wind 1 to 5 mph.
Mostly clear, with a low around 37.
Sunny, with a high near 63.
Mostly clear, with a low around 36.
Sunny, with a high near 58.
Partly cloudy, with a low around 36.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 35.
Mostly sunny, with a high near 51.
Mostly clear, with a low around 34.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Mostly Sunny
|
53°F |
3 to 9 mph
SW
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
36°F |
7 mph
WSW
|
|
Sunday
Nov 8
|
Sunny
|
57°F |
1 to 5 mph
WNW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
37°F |
1 to 7 mph
SW
|
|
Monday
Nov 9
|
Sunny
|
63°F |
6 to 10 mph
WSW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
36°F |
5 mph
WNW
|
|
Tuesday
Nov 10
|
Sunny
|
58°F |
3 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
36°F |
2 mph
NW
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
57°F |
1 to 6 mph
NNW
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
35°F |
5 mph
NNW
|
|
Thursday
Nov 12
|
Mostly Sunny
|
51°F |
7 mph
NNW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
34°F |
3 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Duncan.