Westport, SD Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Westport, SD in one place.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 85. East wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Westport, SD 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 28, 2026 7:51 PM CDT.
The active forecast window currently covers Aug 29 to Sep 3, 2026 for Westport, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 3, 2026
- Latest sync
- Aug 28, 2026 7:51 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Westport
Sunday looks like the warmest upcoming period in Westport at 87 degrees F.
Monday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Sunday at about 7 to 10 mph E.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 28, 2026 7:51 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers and thunderstorms between 4am and 5am. Mostly cloudy, with a low around 64. East northeast wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Partly sunny, with a high near 87. East wind 7 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 61. East northeast wind around 9 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 84. West northwest wind around 9 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 58. West northwest wind 3 to 7 mph.
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. East wind 3 to 7 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
A chance of rain showers before 7am. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Slight Chance Rain Showers then Mostly Sunny
|
85°F |
7 mph
E
|
|
Saturday Night
Aug 29
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
64°F |
8 mph
ENE
|
|
Sunday
Aug 30
|
Partly Sunny
|
87°F |
7 to 10 mph
E
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms
|
61°F |
9 mph
ENE
|
|
Monday
Aug 31
|
Slight Chance Rain Showers then Mostly Sunny
|
84°F |
9 mph
WNW
|
|
Monday Night
Aug 31
|
Mostly Clear
|
58°F |
3 to 7 mph
WNW
|
|
Tuesday
Sep 1
|
Mostly Sunny then Chance Showers And Thunderstorms
|
83°F |
3 to 7 mph
E
|
|
Tuesday Night
Sep 1
|
Chance Showers And Thunderstorms
|
59°F |
7 mph
E
|
|
Wednesday
Sep 2
|
Chance Rain Showers then Mostly Sunny
|
86°F |
5 to 10 mph
ESE
|
|
Wednesday Night
Sep 2
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
63°F |
6 to 9 mph
SE
|
|
Thursday
Sep 3
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
86°F |
7 to 10 mph
S
|
|
Thursday Night
Sep 3
|
Partly Cloudy
|
61°F |
5 to 9 mph
SE
|
Nearby Forecasts
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