Weather in Watertown, SD
Updated 2026-09-26 07:45 local time · ZIP codes 57201
Light rain shower
No government weather alerts were returned for this location at the latest update.
Next hours
54°66% rain54°55% rain
54°34% rain55°33% rain
56°45% rain58°32% rain58°37% rain58°46% rain59°34% rain58°43% rain58°34% rain58°36% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 55% over the next 12 hours.
It feels like 48°F with winds near 15 mph.
59°F, 34% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 30 mph.
Current temperature is 54°F, wind 15 mph, rain chance up to 55%.
UV index is 0.
Local weather characteristics in Watertown
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Watertown is part of the Midwest weather region. The forecast point is near 44.90°N latitude and 97.11°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Watertown weather today
Light rain shower and 54°F in Watertown, SD. Today's high is 59°F with a 89% rain chance. Winds are around 15 mph with gusts near 30 mph. Relative humidity is 96%, pressure is 29.93 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Watertown
Sunrise is at 07:20 AM and sunset is at 07:19 PM. Tomorrow's forecast calls for Overcast with a high near 71°F and a low near 59°F. The maximum rain chance is 28%.