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Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
39°F
4°C
| Humidity | 70% |
| Wind Speed | S 8 mph |
| Barometer | 29.79 in (1009.7 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 33°F (1°C) |
| Last update | 25 Mar 4:53 am CDT |
Extended Forecast for
Watertown SD
Today

High: 73 °F
Mostly Sunny
Tonight
Low: 35 °F
Partly Cloudy
then Slight
Chance RainThursday

High: 41 °F
Partly Sunny
and BreezyThursday Night

Low: 16 °F
Decreasing
CloudsFriday

High: 39 °F
Sunny
Friday Night

Low: 24 °F
Mostly Clear
Saturday

High: 55 °F
Mostly Sunny
Saturday Night

Low: 34 °F
Partly Cloudy
Sunday

High: 67 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 73. South wind 5 to 10 mph becoming west northwest in the afternoon.
Tonight
A slight chance of rain between 1am and 4am, then a chance of sprinkles after 4am. Mostly cloudy, with a low around 35. South wind 5 to 10 mph becoming north northeast 12 to 17 mph after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 41. Breezy, with a north wind 18 to 22 mph, with gusts as high as 34 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North wind 8 to 15 mph, with gusts as high as 24 mph.
Friday
Sunny, with a high near 39. Northwest wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 24. West northwest wind 7 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 55. South wind 14 to 16 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 34. South southeast wind around 11 mph.
Sunday
Mostly sunny, with a high near 67. South wind 11 to 15 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Partly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A slight chance of rain. Partly sunny, with a high near 65. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Watertown SD
44.91°N 97.14°W (Elev. 1736 ft)
44.91°N 97.14°W (Elev. 1736 ft)
4:36 am CDT Mar 25, 2026
4am CDT Mar 25, 2026-6pm CDT Mar 31, 2026


