National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Fair

66°F

19°C

Humidity 32%
Wind Speed NW 12 mph
Barometer 30.30 in (1026.3 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 4 Oct 1:53 pm CDT
Extended Forecast for

4 Miles SE Watertown SD

  • This Afternoon

    This Afternoon: Sunny, with a high near 67. Northwest wind around 15 mph, with gusts as high as 26 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72. Breezy, with a south wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 72 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 53. Breezy, with a south wind 13 to 23 mph, with gusts as high as 37 mph.

    Low: 53 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. West southwest wind 7 to 11 mph becoming northwest in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. Northwest wind 3 to 5 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming light and variable in the evening.

    Low: 47 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Light south southeast wind becoming east southeast 5 to 10 mph in the morning.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 67. Northwest wind around 15 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 42. Calm wind becoming southeast around 5 mph after midnight.
Monday
Sunny, with a high near 72. Breezy, with a south wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.
Monday Night
Mostly clear, with a low around 53. Breezy, with a south wind 13 to 23 mph, with gusts as high as 37 mph.
Tuesday
Sunny, with a high near 76. West southwest wind 7 to 11 mph becoming northwest in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. Northwest wind 3 to 5 mph.
Wednesday
Sunny, with a high near 70. North northwest wind 5 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming light and variable in the evening.
Thursday
Mostly sunny, with a high near 67. Light south southeast wind becoming east southeast 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 56. Breezy.
Saturday
Sunny, with a high near 76. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Watertown SD
 44.87°N 97.11°W (Elev. 1801 ft)
Last Update:
2:21 pm CDT Oct 4, 2026
Forecast Valid:
2pm CDT Oct 4, 2026-6pm CDT Oct 10, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation