Weather forecast for: Watertown SD
Last Update: 3:21 am CDT Oct 3, 2026
Overnight: Mostly clear, with a steady temperature around 53. Breezy, with a south wind 18 to 20 mph.
Saturday: A chance of sprinkles with a slight chance of showers before 3pm, then a chance of sprinkles between 3pm and 4pm. Mostly sunny, with a high near 68. Breezy, with a south wind 11 to 20 mph becoming west in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 20%.
Saturday Night: Mostly clear, with a low around 45. North northwest wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday: Sunny, with a high near 64. Northwest wind 5 to 9 mph.
Sunday Night: Clear, with a low around 44. Calm wind becoming southeast around 5 mph after midnight.
Monday: Sunny, with a high near 67. South southeast wind 8 to 18 mph, with gusts as high as 31 mph.
Monday Night: Mostly clear, with a low around 54. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday: Sunny, with a high near 75. South wind 10 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night: Mostly clear, with a low around 52. West northwest wind around 6 mph.
Wednesday: Sunny, with a high near 71.
Wednesday Night: Partly cloudy, with a low around 52.
Thursday: Mostly sunny, with a high near 69.
Thursday Night: Partly cloudy, with a low around 51.
Friday: Sunny, with a high near 71.
WeatherWorld.com
City of Watertown, SD
