Castlewood, SD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Castlewood, SD in one place.
Mostly sunny, with a high near 86. South southwest wind 12 to 16 mph, with gusts as high as 24 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: Jul 22, 2026 11:02 PM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Castlewood, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 22, 2026 11:02 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Castlewood
Saturday looks like the warmest upcoming period in Castlewood at 97 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Friday at about 12 to 16 mph SSW.
The forecast from Jul 24 through Jul 29 stays mostly dry.
Forecast Details
- Last updated
- Jul 22, 2026 11:02 PM CDT
- Coverage
- 6 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
Mostly clear, with a low around 67. South southwest wind 12 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 97. West northwest wind around 10 mph.
Partly cloudy, with a low around 71. Southeast wind around 9 mph.
Mostly sunny, with a high near 97. South wind 8 to 13 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 70. South wind 7 to 13 mph, with gusts as high as 21 mph.
Sunny, with a high near 94.
Partly cloudy, with a low around 67.
Mostly sunny, with a high near 90.
Mostly clear, with a low around 65.
Sunny, with a high near 89.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Mostly Sunny
|
86°F |
12 to 16 mph
SSW
|
|
Friday Night
Jul 24
|
Mostly Clear
|
67°F |
12 to 15 mph
SSW
|
|
Saturday
Jul 25
|
Sunny
|
97°F |
10 mph
WNW
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
71°F |
9 mph
SE
|
|
Sunday
Jul 26
|
Mostly Sunny
|
97°F |
8 to 13 mph
S
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
70°F |
7 to 13 mph
S
|
|
Monday
Jul 27
|
Sunny
|
94°F |
7 to 12 mph
N
|
|
Monday Night
Jul 27
|
Partly Cloudy
|
67°F |
5 to 9 mph
NE
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
90°F |
6 to 9 mph
NNE
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
65°F |
7 mph
NNE
|
|
Wednesday
Jul 29
|
Sunny
|
89°F |
6 to 10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Castlewood.
Nearby forecast pages are not available for this location yet.