Weather in Watertown, SD
Updated 2026-08-11 12:30 local time · ZIP codes 57201
Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
79°10% rain
83°5% rain84°4% rain84°4% rain84°3% rain82°3% rain80°3% rain77°5% rain
73°8% rain71°10% rain69°12% rain71°10% 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 83°F with winds near 11 mph.
77°F, 5% rain chance and 9 mph wind.
Visibility is around 10 mi; gusts may reach 21 mph.
Current temperature is 79°F, wind 11 mph, rain chance up to 12%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Watertown weather today
Partly cloudy and 79°F in Watertown, SD. Today's high is 84°F with a 36% rain chance. Winds are around 11 mph with gusts near 12 mph. Relative humidity is 74%, pressure is 29.93 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Watertown
Sunrise is at 06:25 AM and sunset is at 08:41 PM. Tomorrow's forecast calls for Sunny with a high near 90°F and a low near 63°F. The maximum rain chance is 57%.