Duncan, MS Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Duncan, MS in one place.
Mostly sunny, with a high near 89. North wind around 5 mph.
Local Weather Overview
This forecast page for Duncan, MS 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: Aug 3, 2026 1:39 PM CDT.
The active forecast window currently covers Aug 3 to Aug 9, 2026 for Duncan, MS.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 9, 2026
- Latest sync
- Aug 3, 2026 1:39 PM CDT
- Forecast office
- JAN
- Source
- NOAA / NWS
Daily Outlook
This Week in Duncan
Wednesday looks like the warmest upcoming period in Duncan at 94 degrees F.
Tonight is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Today at about 5 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 3, 2026 1:39 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- JAN
- Radar station
- KLZK
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 68. Northeast wind 0 to 5 mph.
Sunny, with a high near 91. Heat index values as high as 97. Northeast wind 0 to 5 mph.
Mostly clear, with a low around 69. East northeast wind 0 to 5 mph.
Sunny, with a high near 94. South southeast wind around 0 mph.
Mostly clear, with a low around 73. South southeast wind around 0 mph.
Sunny, with a high near 94. South southwest wind 0 to 5 mph.
Mostly clear, with a low around 75. South southeast wind 0 to 5 mph.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. South wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Aug 3
|
Mostly Sunny
|
89°F |
5 mph
N
|
|
Tonight
Aug 3
|
Mostly Clear
|
68°F |
0 to 5 mph
NE
|
|
Tuesday
Aug 4
|
Sunny
|
91°F |
0 to 5 mph
NE
|
|
Tuesday Night
Aug 4
|
Mostly Clear
|
69°F |
0 to 5 mph
ENE
|
|
Wednesday
Aug 5
|
Sunny
|
94°F |
0 mph
|
|
Wednesday Night
Aug 5
|
Mostly Clear
|
73°F |
0 mph
|
|
Thursday
Aug 6
|
Sunny
|
94°F |
0 to 5 mph
SSW
|
|
Thursday Night
Aug 6
|
Mostly Clear
|
75°F |
0 to 5 mph
SSE
|
|
Friday
Aug 7
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
S
|
|
Friday Night
Aug 7
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
0 to 5 mph
SSE
|
|
Saturday
Aug 8
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
93°F |
0 to 5 mph
S
|
|
Saturday Night
Aug 8
|
Slight Chance Showers And Thunderstorms
|
74°F |
0 mph
|
|
Sunday
Aug 9
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
0 to 5 mph
SSW
|
|
Sunday Night
Aug 9
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
74°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Duncan.