Weather in Onaka, SD
Updated 2026-08-11 10:15 local time · ZIP codes 57466
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
72°11% rain76°9% rain82°6% rain84°4% rain85°4% rain
84°5% rain85°4% rain86°3% rain85°4% rain84°4% rain81°4% rain
77°6% 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 11%).
It feels like 73°F with winds near 9 mph.
72°F, 11% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 72°F, wind 9 mph, rain chance up to 11%.
UV index is 2.
Onaka weather today
Sunny and 72°F in Onaka, SD. Today's high is 86°F with a 57% rain chance. Winds are around 9 mph with gusts near 11 mph. Relative humidity is 83%, pressure is 29.87 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Onaka
Sunrise is at 06:34 AM and sunset is at 08:51 PM. Tomorrow's forecast calls for Sunny with a high near 90°F and a low near 65°F. The maximum rain chance is 57%.