Weather in Castlewood, SD
Updated 2026-08-11 11:15 local time · ZIP codes 57223
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
74°12% rain
77°10% rain82°7% rain83°5% rain84°4% rain84°4% rain83°3% rain82°3% rain80°4% rain76°5% rain
73°7% rain71°9% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 12%).
It feels like 77°F with winds near 10 mph.
76°F, 5% rain chance and 11 mph wind.
Visibility is around 10 mi; gusts may reach 22 mph.
Current temperature is 74°F, wind 10 mph, rain chance up to 12%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Castlewood weather today
Partly cloudy and 74°F in Castlewood, SD. Today's high is 84°F with a 57% rain chance. Winds are around 10 mph with gusts near 12 mph. Relative humidity is 88%, pressure is 29.92 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Castlewood
Sunrise is at 06:25 AM and sunset is at 08:40 PM. Tomorrow's forecast calls for Sunny with a high near 90°F and a low near 64°F. The maximum rain chance is 57%.