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Current conditions at
Watertown, Watertown Municipal Airport (KATY)
Lat: 44.9°NLon: 97.15°WElev: 1745ft.
Fair
40°F
4°C
| Humidity | 53% |
| Wind Speed | SE 5 mph |
| Barometer | 30.08 in (1020.2 mb) |
| Dewpoint | 24°F (-4°C) |
| Visibility | NA |
| Wind Chill | 36°F (2°C) |
| Last update | 24 Mar 10:53 am CDT |
Extended Forecast for
Watertown SD
Today

High: 54 °F
Partly Sunny
Tonight

Low: 34 °F
Partly Cloudy
Wednesday

High: 70 °F
Mostly Sunny
Wednesday Night

Low: 37 °F
Mostly Cloudy
Thursday

High: 45 °F
Partly Sunny
and BreezyThursday Night
Low: 16 °F
Mostly Cloudy
and Blustery
then Partly
CloudyFriday

High: 40 °F
Sunny
Friday Night

Low: 23 °F
Mostly Clear
Saturday

High: 56 °F
Sunny
Detailed Forecast
Today
Partly sunny, with a high near 54. East southeast wind 8 to 13 mph.
Tonight
Partly cloudy, with a low around 34. South wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 70. South southwest wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 37. West southwest wind 5 to 15 mph becoming northeast after midnight. Winds could gust as high as 25 mph.
Thursday
Partly sunny, with a high near 45. Breezy, with a north wind 18 to 23 mph, with gusts as high as 34 mph.
Thursday Night
Partly cloudy, with a low around 16. Blustery, with a north wind 15 to 20 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 28 mph.
Friday
Sunny, with a high near 40. West northwest wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 23. West northwest wind 7 to 9 mph becoming south southwest after midnight.
Saturday
Sunny, with a high near 56. South southwest wind 10 to 16 mph.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Mostly sunny, with a high near 62.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 64.
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)
11:36 am CDT Mar 24, 2026
11am CDT Mar 24, 2026-6pm CDT Mar 30, 2026


