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July 18th, 2026 :: 12:12 am CDT   

Local Weather Report for
Watertown
South Dakota, United States

 Current Watertown Weather Conditions Updated July 17th at 10:53 pm 
haze
Temperature:75°F Dew Point:70°F
Barometer:29.98 inHg Wind:N 17 Mph
Humidity:83.3% Visibility:0M
 
 Watertown Weather Forecast Summary  
 
Today
Jul 18th
Sunday
Jul 19th
Monday
Jul 20th
Tuesday
Jul 21st
Wednesday
Jul 22nd
Mostly Sunny Mix of Sun and Cloud Mostly Sunny Mostly Sunny Sunny
91°F
95°F
69°F
99°F
78°F
82°F
59°F
84°F
52°F
 
 Watertown Detailed Weather Forecast  
 
Saturday, July 18th, 2026
Overnight Temperature: 70°F
Clear. Windy at times.
Morning Temperature: 70°F
Mostly sunny. Windy at times.
Afternoon Temperature: 89°F
Sunny. Windy at times.
Evening Temperature: 78°F
Mostly clear. Windy at times.
Sunday, July 19th, 2026
Overnight Temperature: 70°F
Clear with cloudy periods.
Morning Temperature: 72°F
A mix of sun and cloud with a slight chance of showers.
Afternoon Temperature: 90°F
A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 85°F
Clear with cloudy periods. Chance of a thunderstorm. Windy.
Monday, July 20th, 2026
Overnight Temperature: 81°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy.
Morning Temperature: 86°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 98°F
Mostly sunny. Slight chance of a thunderstorm. Windy.
Evening Temperature: 84°F
Clear. Windy.
Tuesday, July 21st, 2026
Overnight Temperature: 64°F
Clear. Windy at times.
Morning Temperature: 64°F
Mostly sunny. Windy.
Afternoon Temperature: 80°F
Mostly sunny. Windy.
Evening Temperature: 71°F
Mostly clear. Windy.
Wednesday, July 22nd, 2026
Overnight Temperature: 55°F
Clear with cloudy periods.
Morning Temperature: 63°F
Mostly sunny.
Afternoon Temperature: 81°F
Sunny. Windy at times.
Evening Temperature: 75°F
Clear. Windy at times.
Thursday, July 23rd, 2026
Overnight Temperature: 60°F
Clear.
Morning Temperature: 70°F
Sunny. Windy at times.
Afternoon Temperature: 89°F
Cloudy with sunny periods. Windy at times.
Evening Temperature: 82°F
A mix of clear and cloudy skies. Windy at times.
Friday, July 24th, 2026
Overnight Temperature: 67°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 66°F
Mostly sunny. Windy at times.
Afternoon Temperature: 84°F
Mostly sunny.
Evening Temperature: 78°F
Mostly clear. Windy at times.
Saturday, July 25th, 2026
Overnight Temperature: 64°F
Clear. Windy at times.
Morning Temperature: 71°F
Sunny.
Afternoon Temperature: 94°F
Sunny.
Evening Temperature: 85°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Ortonville, MN 
10:55 PM  75°F
 
 
Brookings, SD 
10:56 PM  79°F
mist
 
Madison, MN 
10:55 PM  75°F
Overcast
 
Sisseton, SD 
10:56 PM  72°F
 
 
Appleton, MN 
10:55 PM  75°F
Overcast
 
Wheaton, MN 
10:53 PM  72°F
 
 
Huron, SD 
10:55 PM  79°F
 
 
Montevideo, MN 
10:55 PM  75°F
 
 
Marshall, MN 
10:56 PM  77°F
Mostly Clear haze
 
Aberdeen, SD 
10:53 PM  73°F
 

 
This WeatherCity Weather Forecast for Watertown, South Dakota, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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