Duncan, CO Weather Forecast
Local 7-day forecast
Mostly Cloudy then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Duncan, CO in one place.
A chance of showers and thunderstorms between noon and 4pm, then showers and thunderstorms. Mostly cloudy, with a high near 70. South southwest wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Duncan, CO 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: Sep 15, 2026 12:46 PM MDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Duncan, CO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 12:46 PM MDT
- Forecast office
- PUB
- Source
- NOAA / NWS
Daily Outlook
This Week in Duncan
Friday looks like the warmest upcoming period in Duncan at 71 degrees F.
Sunday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph SSW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 12:46 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- PUB
- Radar station
- KPUX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms. Mostly cloudy, with a low around 51. South southwest wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Rain showers likely before 9am, then showers and thunderstorms. Mostly cloudy, with a high near 68. South southwest wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely. Mostly cloudy, with a low around 48. South southwest wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 71. West southwest wind 5 to 10 mph. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44. West wind around 5 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. West southwest wind around 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 43. North northeast wind around 5 mph.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 70. South wind around 5 mph.
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 42. East wind around 5 mph.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70. South southwest wind around 5 mph.
A chance of rain showers. Mostly cloudy, with a low around 42. South southeast wind 5 to 10 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
70°F |
5 to 15 mph
SSW
|
|
Wednesday Night
Sep 16
|
Showers And Thunderstorms
|
51°F |
10 mph
SSW
|
|
Thursday
Sep 17
|
Showers And Thunderstorms
|
68°F |
10 to 15 mph
SSW
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely
|
48°F |
10 to 15 mph
SSW
|
|
Friday
Sep 18
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
WSW
|
|
Friday Night
Sep 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
44°F |
5 mph
W
|
|
Saturday
Sep 19
|
Mostly Sunny then Chance Showers And Thunderstorms
|
71°F |
5 mph
WSW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
43°F |
5 mph
NNE
|
|
Sunday
Sep 20
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
70°F |
5 mph
S
|
|
Sunday Night
Sep 20
|
Chance Showers And Thunderstorms then Partly Cloudy
|
42°F |
5 mph
E
|
|
Monday
Sep 21
|
Mostly Sunny then Chance Showers And Thunderstorms
|
70°F |
5 mph
SSW
|
|
Monday Night
Sep 21
|
Chance Rain Showers
|
42°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Duncan.