Castlewood, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Castlewood, SD in one place.
Sunny, with a high near 83. South southeast wind 14 to 26 mph, with gusts as high as 37 mph.
Local Weather Overview
This forecast page for Castlewood, 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: Apr 18, 2026 10:37 PM CDT.
The active forecast window currently covers Apr 22 to Apr 25, 2026 for Castlewood, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 25, 2026
- Latest sync
- Apr 18, 2026 10:37 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Castlewood
Wednesday looks like the warmest upcoming period in Castlewood at 83 degrees F.
Friday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Wednesday at about 14 to 26 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 18, 2026 10:37 PM CDT
- Coverage
- 4 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. South wind around 26 mph, with gusts as high as 39 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 33. Chance of precipitation is 50%.
A chance of rain showers before 7am, then a chance of snow showers between 7am and 10am, then a chance of rain showers. Partly sunny, with a high near 49. Chance of precipitation is 30%.
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 28. Chance of precipitation is 20%.
Mostly sunny, with a high near 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Sunny
|
83°F |
14 to 26 mph
SSE
|
|
Wednesday Night
Apr 22
|
Chance Showers And Thunderstorms
|
57°F |
26 mph
S
|
|
Thursday
Apr 23
|
Chance Showers And Thunderstorms
|
73°F |
23 to 26 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms
|
33°F |
25 mph
WSW
|
|
Friday
Apr 24
|
Chance Snow Showers then Chance Rain Showers
|
49°F |
23 to 26 mph
WNW
|
|
Friday Night
Apr 24
|
Slight Chance Rain Showers then Partly Cloudy
|
28°F |
12 to 21 mph
NW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
49°F |
12 to 18 mph
NNW
|
Nearby Forecasts
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